diff --git a/add-sorted-function-remove-differences.patch b/add-sorted-function-remove-differences.patch
deleted file mode 100644
index 4a2eb71..0000000
--- a/add-sorted-function-remove-differences.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -Nuar libdnet-1.12/python/setup.py.in libdnet-1.12.new/python/setup.py.in
---- libdnet-1.12/python/setup.py.in	2006-01-18 23:50:29.000000000 -0500
-+++ libdnet-1.12.new/python/setup.py.in	2019-04-11 07:38:27.901000000 -0400
-@@ -20,7 +20,7 @@
-     # XXX - can't build on Cygwin+MinGW yet.
-     #if sys.platform == 'cygwin':
-     #    dnet_extargs.append('-mno-cygwin')
--    dnet_extobj.extend(glob.glob('@top_builddir@/src/.libs/*.o'))
-+    dnet_extobj.extend(sorted(glob.glob('@top_builddir@/src/.libs/*.o')))
- 
- dnet = Extension('dnet',
-                  dnet_srcs,
diff --git a/dnet-config-multilib.patch b/dnet-config-multilib.patch
deleted file mode 100644
index 30cdefa..0000000
--- a/dnet-config-multilib.patch
+++ /dev/null
@@ -1,15 +0,0 @@
---- libdnet-1.12/dnet-config.in.old	2014-03-14 11:40:27.332135003 +0000
-+++ libdnet-1.12/dnet-config.in	2014-03-14 11:41:08.624931401 +0000
-@@ -45,10 +45,10 @@
- done
- 
- if test "$echo_cflags" = "yes"; then
--      echo -I@includedir@
-+      echo
- fi
- 
- if test "$echo_libs" = "yes"; then
--      echo -L@libdir@ -ldnet @LIBS@
-+      echo -ldnet @LIBS@
- fi      
- 
diff --git a/libdnet-1.12.tgz b/libdnet-1.12.tgz
deleted file mode 100644
index 05e2882..0000000
Binary files a/libdnet-1.12.tgz and /dev/null differ
diff --git a/libdnet-1.14.tar.gz b/libdnet-1.14.tar.gz
new file mode 100644
index 0000000..3a4e7c3
Binary files /dev/null and b/libdnet-1.14.tar.gz differ
diff --git a/libdnet-shrext.patch b/libdnet-shrext.patch
deleted file mode 100644
index 6d8df23..0000000
--- a/libdnet-shrext.patch
+++ /dev/null
@@ -1,327 +0,0 @@
-diff -urN libdnet-1.12/configure libdnet-1.12-patched/configure
---- libdnet-1.12/configure	2007-01-20 05:39:54.000000000 -0600
-+++ libdnet-1.12-patched/configure	2007-02-15 09:06:27.000000000 -0600
-@@ -7053,7 +7053,7 @@
-       # Tell ltmain to make .lib files, not .a files.
-       libext=lib
-       # Tell ltmain to make .dll files, not .so files.
--      shrext=".dll"
-+      shrext_cmds=".dll"
-       # FIXME: Setting linknames here is a bad hack.
-       archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll${_S_}linknames='
-       # The linker will automatically build a .lib file if we build a DLL.
-@@ -7580,7 +7580,7 @@
- library_names_spec=
- libname_spec='lib$name'
- soname_spec=
--shrext=".so"
-+shrext_cmds=".so"
- postinstall_cmds=
- postuninstall_cmds=
- finish_cmds=
-@@ -7693,7 +7693,7 @@
- 
- cygwin* | mingw* | pw32*)
-   version_type=windows
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_version=no
-   need_lib_prefix=no
- 
-@@ -7761,7 +7761,7 @@
-   soname_spec='${libname}${release}${major}$shared_ext'
-   shlibpath_overrides_runpath=yes
-   shlibpath_var=DYLD_LIBRARY_PATH
--  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
-+  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
-   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
-   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
-   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
-@@ -7830,7 +7830,7 @@
-   need_version=no
-   case "$host_cpu" in
-   ia64*)
--    shrext='.so'
-+    shrext_cmds='.so'
-     hardcode_into_libs=yes
-     dynamic_linker="$host_os dld.so"
-     shlibpath_var=LD_LIBRARY_PATH
-@@ -7845,7 +7845,7 @@
-     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-     ;;
-    hppa*64*)
--     shrext='.sl'
-+     shrext_cmds='.sl'
-      hardcode_into_libs=yes
-      dynamic_linker="$host_os dld.sl"
-      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-@@ -7856,7 +7856,7 @@
-      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-      ;;
-    *)
--    shrext='.sl'
-+    shrext_cmds='.sl'
-     dynamic_linker="$host_os dld.sl"
-     shlibpath_var=SHLIB_PATH
-     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-@@ -7992,7 +7992,7 @@
- 
- os2*)
-   libname_spec='$name'
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_lib_prefix=no
-   library_names_spec='$libname${shared_ext} $libname.a'
-   dynamic_linker='OS/2 ld.exe'
-@@ -9201,7 +9201,7 @@
- libext="$libext"
- 
- # Shared library suffix (normally ".so").
--shrext='$shrext'
-+shrext_cmds='$shrext_cmds'
- 
- # Executable file suffix (normally "").
- exeext="$exeext"
-@@ -11257,7 +11257,7 @@
- library_names_spec=
- libname_spec='lib$name'
- soname_spec=
--shrext=".so"
-+shrext_cmds=".so"
- postinstall_cmds=
- postuninstall_cmds=
- finish_cmds=
-@@ -11370,7 +11370,7 @@
- 
- cygwin* | mingw* | pw32*)
-   version_type=windows
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_version=no
-   need_lib_prefix=no
- 
-@@ -11438,7 +11438,7 @@
-   soname_spec='${libname}${release}${major}$shared_ext'
-   shlibpath_overrides_runpath=yes
-   shlibpath_var=DYLD_LIBRARY_PATH
--  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
-+  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
-   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
-   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
-   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
-@@ -11507,7 +11507,7 @@
-   need_version=no
-   case "$host_cpu" in
-   ia64*)
--    shrext='.so'
-+    shrext_cmds='.so'
-     hardcode_into_libs=yes
-     dynamic_linker="$host_os dld.so"
-     shlibpath_var=LD_LIBRARY_PATH
-@@ -11522,7 +11522,7 @@
-     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-     ;;
-    hppa*64*)
--     shrext='.sl'
-+     shrext_cmds='.sl'
-      hardcode_into_libs=yes
-      dynamic_linker="$host_os dld.sl"
-      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-@@ -11533,7 +11533,7 @@
-      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-      ;;
-    *)
--    shrext='.sl'
-+    shrext_cmds='.sl'
-     dynamic_linker="$host_os dld.sl"
-     shlibpath_var=SHLIB_PATH
-     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-@@ -11669,7 +11669,7 @@
- 
- os2*)
-   libname_spec='$name'
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_lib_prefix=no
-   library_names_spec='$libname${shared_ext} $libname.a'
-   dynamic_linker='OS/2 ld.exe'
-@@ -12751,7 +12751,7 @@
- libext="$libext"
- 
- # Shared library suffix (normally ".so").
--shrext='$shrext'
-+shrext_cmds='$shrext_cmds'
- 
- # Executable file suffix (normally "").
- exeext="$exeext"
-@@ -13832,7 +13832,7 @@
-       # Tell ltmain to make .lib files, not .a files.
-       libext=lib
-       # Tell ltmain to make .dll files, not .so files.
--      shrext=".dll"
-+      shrext_cmds=".dll"
-       # FIXME: Setting linknames here is a bad hack.
-       archive_cmds_F77='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll${_S_}linknames='
-       # The linker will automatically build a .lib file if we build a DLL.
-@@ -14359,7 +14359,7 @@
- library_names_spec=
- libname_spec='lib$name'
- soname_spec=
--shrext=".so"
-+shrext_cmds=".so"
- postinstall_cmds=
- postuninstall_cmds=
- finish_cmds=
-@@ -14472,7 +14472,7 @@
- 
- cygwin* | mingw* | pw32*)
-   version_type=windows
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_version=no
-   need_lib_prefix=no
- 
-@@ -14540,7 +14540,7 @@
-   soname_spec='${libname}${release}${major}$shared_ext'
-   shlibpath_overrides_runpath=yes
-   shlibpath_var=DYLD_LIBRARY_PATH
--  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
-+  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
-   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
-   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
-   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
-@@ -14609,7 +14609,7 @@
-   need_version=no
-   case "$host_cpu" in
-   ia64*)
--    shrext='.so'
-+    shrext_cmds='.so'
-     hardcode_into_libs=yes
-     dynamic_linker="$host_os dld.so"
-     shlibpath_var=LD_LIBRARY_PATH
-@@ -14624,7 +14624,7 @@
-     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-     ;;
-    hppa*64*)
--     shrext='.sl'
-+     shrext_cmds='.sl'
-      hardcode_into_libs=yes
-      dynamic_linker="$host_os dld.sl"
-      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-@@ -14635,7 +14635,7 @@
-      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-      ;;
-    *)
--    shrext='.sl'
-+    shrext_cmds='.sl'
-     dynamic_linker="$host_os dld.sl"
-     shlibpath_var=SHLIB_PATH
-     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-@@ -14771,7 +14771,7 @@
- 
- os2*)
-   libname_spec='$name'
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_lib_prefix=no
-   library_names_spec='$libname${shared_ext} $libname.a'
-   dynamic_linker='OS/2 ld.exe'
-@@ -15047,7 +15047,7 @@
- libext="$libext"
- 
- # Shared library suffix (normally ".so").
--shrext='$shrext'
-+shrext_cmds='$shrext_cmds'
- 
- # Executable file suffix (normally "").
- exeext="$exeext"
-@@ -16130,7 +16130,7 @@
-       # Tell ltmain to make .lib files, not .a files.
-       libext=lib
-       # Tell ltmain to make .dll files, not .so files.
--      shrext=".dll"
-+      shrext_cmds=".dll"
-       # FIXME: Setting linknames here is a bad hack.
-       archive_cmds_GCJ='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | $SED -e '\''s/ -lc$//'\''` -link -dll${_S_}linknames='
-       # The linker will automatically build a .lib file if we build a DLL.
-@@ -16657,7 +16657,7 @@
- library_names_spec=
- libname_spec='lib$name'
- soname_spec=
--shrext=".so"
-+shrext_cmds=".so"
- postinstall_cmds=
- postuninstall_cmds=
- finish_cmds=
-@@ -16770,7 +16770,7 @@
- 
- cygwin* | mingw* | pw32*)
-   version_type=windows
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_version=no
-   need_lib_prefix=no
- 
-@@ -16838,7 +16838,7 @@
-   soname_spec='${libname}${release}${major}$shared_ext'
-   shlibpath_overrides_runpath=yes
-   shlibpath_var=DYLD_LIBRARY_PATH
--  shrext='$(test .$module = .yes && echo .so || echo .dylib)'
-+  shrext_cmds='$(test .$module = .yes && echo .so || echo .dylib)'
-   # Apple's gcc prints 'gcc -print-search-dirs' doesn't operate the same.
-   if $CC -v 2>&1 | grep 'Apple' >/dev/null ; then
-   sys_lib_search_path_spec=`$CC -print-search-dirs | tr "\n" "$PATH_SEPARATOR" | sed -e 's/libraries:/@libraries:/' | tr "@" "\n" | grep "^libraries:" | sed -e "s/^libraries://" -e "s,=/,/,g" -e "s,$PATH_SEPARATOR, ,g" -e "s,.*,& /lib /usr/lib /usr/local/lib,g"`
-@@ -16907,7 +16907,7 @@
-   need_version=no
-   case "$host_cpu" in
-   ia64*)
--    shrext='.so'
-+    shrext_cmds='.so'
-     hardcode_into_libs=yes
-     dynamic_linker="$host_os dld.so"
-     shlibpath_var=LD_LIBRARY_PATH
-@@ -16922,7 +16922,7 @@
-     sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-     ;;
-    hppa*64*)
--     shrext='.sl'
-+     shrext_cmds='.sl'
-      hardcode_into_libs=yes
-      dynamic_linker="$host_os dld.sl"
-      shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH
-@@ -16933,7 +16933,7 @@
-      sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
-      ;;
-    *)
--    shrext='.sl'
-+    shrext_cmds='.sl'
-     dynamic_linker="$host_os dld.sl"
-     shlibpath_var=SHLIB_PATH
-     shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
-@@ -17069,7 +17069,7 @@
- 
- os2*)
-   libname_spec='$name'
--  shrext=".dll"
-+  shrext_cmds=".dll"
-   need_lib_prefix=no
-   library_names_spec='$libname${shared_ext} $libname.a'
-   dynamic_linker='OS/2 ld.exe'
-@@ -18151,7 +18151,7 @@
- libext="$libext"
- 
- # Shared library suffix (normally ".so").
--shrext='$shrext'
-+shrext_cmds='$shrext_cmds'
- 
- # Executable file suffix (normally "").
- exeext="$exeext"
-@@ -18595,7 +18595,7 @@
- libext="$libext"
- 
- # Shared library suffix (normally ".so").
--shrext='$shrext'
-+shrext_cmds='$shrext_cmds'
- 
- # Executable file suffix (normally "").
- exeext="$exeext"
diff --git a/libdnet.spec b/libdnet.spec
index c6e11f0..12e748b 100644
--- a/libdnet.spec
+++ b/libdnet.spec
@@ -1,17 +1,14 @@
 Name:		libdnet
-Version:	1.12
-Release:	30
+Version:	1.14
+Release:	1
 Summary:        Simple portable interface work with low-level networking routines
 
 License:	BSD
-URL:		https://github.com/dugsong/%{name}/
-Source:   	http://src.fedoraproject.org/repo/pkgs/libdnet/libdnet-1.12.tgz/9253ef6de1b5e28e9c9a62b882e44cc9/libdnet-1.12.tgz
+URL:		https://github.com/ofalk/%{name}
+Source:   	https://github.com/ofalk/libdnet/archive/%{name}-%{version}.tar.gz
 
-Patch0:		%{name}-shrext.patch
-Patch1:		dnet-config-multilib.patch
-Patch2: 	add-sorted-function-remove-differences.patch
-Patch3: 	remove-python2-support-and-add-python3-support.patch
-BuildRequires:	gcc-c++ 
+BuildRequires:	gcc-c++
+BuildRequires:  python3-Cython 
 
 %description
 %{name} provides a simplified, portable interface to several low-level networking 
@@ -48,7 +45,7 @@ Python3 package for python-%{name}
 %package_help
 
 %prep
-%autosetup -n %{name}-%{version} -p1 
+%autosetup -n %{name}-%{name}-%{version} -p1 
 
 %build
 export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
@@ -95,11 +92,17 @@ popd
 
 %files help
 %defattr(-,root,root)
-%doc README THANKS TODO
+%doc THANKS TODO
 %{_mandir}/man3/*.3*
 %{_mandir}/man8/*.8*
 
 %changelog
+* Wed Jan 27 2021 xihaochen <xihaochen@huawei.com> - 1.14-1
+- Type:requirements
+- ID:NA
+- SUG:NA
+- DESC: update libdnet to 1.14
+
 * Thu Oct 29 2020 gaihuiying <gaihuiying1@huawei.com> - 1.12 - 30
 - Type:rquirement
 - ID:NA
diff --git a/remove-python2-support-and-add-python3-support.patch b/remove-python2-support-and-add-python3-support.patch
deleted file mode 100644
index a180431..0000000
--- a/remove-python2-support-and-add-python3-support.patch
+++ /dev/null
@@ -1,3054 +0,0 @@
-From 8337d32bf72a270975012895a5e481e24fb368a4 Mon Sep 17 00:00:00 2001
-From: Mayank Rawat <mayank18049@iiitd.ac.in>
-Date: Thu, 7 May 2020 20:04:30 -0700
-Subject: [PATCH] removed python2 support python3 support added
-
-removed deprecated string function and module creation process
----
- python/dnet.c   | 856 ++++++++++++++++++++++++++++----------------------------
- python/dnet.pyx | 106 +++----
- 2 files changed, 483 insertions(+), 479 deletions(-)
-
-diff --git a/python/dnet.c b/python/dnet.c
-index 3af2a28..2e5703b 100644
---- a/python/dnet.c
-+++ b/python/dnet.c
-@@ -1,8 +1,10 @@
- /* Generated by Pyrex 0.9.4.1 on Sat Jan 20 06:39:10 2007 */
- 
- #define PY_SSIZE_T_CLEAN
-+#define Py_TPFLAGS_CHECKTYPES 0
- #include "Python.h"
- #include "structmember.h"
-+
- #ifndef PY_LONG_LONG
-   #define PY_LONG_LONG LONG_LONG
- #endif
-@@ -10,8 +12,8 @@
-   typedef int Py_ssize_t;
-   #define PY_SSIZE_T_MAX INT_MAX
-   #define PY_SSIZE_T_MIN INT_MIN
--  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
--  #define PyInt_AsSsize_t(o)   PyInt_AsLong(o)
-+  #define PyLong_FromSsize_t(z) PyLong_FromLong(z)
-+  #define PyLong_AsSsize_t(o)   PyLong_AsLong(o)
- #endif
- #ifdef __cplusplus
- #define __PYX_EXTERN_C extern "C"
-@@ -405,12 +407,12 @@ static PyObject *__pyx_f_4dnet___memcpy(char (*__pyx_v_dst),PyObject *__pyx_v_sr
-   Py_INCREF(__pyx_v_src);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":44 */
--  __pyx_1 = (PyString_Size(__pyx_v_src) != __pyx_v_n);
-+  __pyx_1 = (PyBytes_Size(__pyx_v_src) != __pyx_v_n);
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":45 */
-     __pyx_2 = __Pyx_GetName(__pyx_b, __pyx_n_ValueError); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; goto __pyx_L1;}
--    __pyx_3 = PyInt_FromLong(__pyx_v_n); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; goto __pyx_L1;}
-+    __pyx_3 = PyLong_FromLong(__pyx_v_n); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; goto __pyx_L1;}
-     __pyx_4 = PyTuple_New(2); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 45; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_4, 0, __pyx_3);
-     Py_INCREF(__pyx_v_src);
-@@ -427,7 +429,7 @@ static PyObject *__pyx_f_4dnet___memcpy(char (*__pyx_v_dst),PyObject *__pyx_v_sr
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":46 */
--  __pyx_5 = PyString_AsString(__pyx_v_src); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; goto __pyx_L1;}
-+  __pyx_5 = PyBytes_AsString(__pyx_v_src); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 46; goto __pyx_L1;}
-   memcpy(__pyx_v_dst,__pyx_5,__pyx_v_n);
- 
-   __pyx_r = Py_None; Py_INCREF(Py_None);
-@@ -449,7 +451,7 @@ static PyObject *__pyx_f_4dnet___oserror(void) {
-   PyObject *__pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":50 */
--  __pyx_1 = PyString_FromString(strerror(errno)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromString(strerror(errno)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 50; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -519,7 +521,7 @@ static int __pyx_f_4dnet_3eth___init__(PyObject *__pyx_v_self, PyObject *__pyx_a
-   Py_INCREF(__pyx_v_device);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":110 */
--  __pyx_1 = PyString_AsString(__pyx_v_device); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_device); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 110; goto __pyx_L1;}
-   ((struct __pyx_obj_4dnet_eth *)__pyx_v_self)->eth = eth_open(__pyx_1);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":111 */
-@@ -578,7 +580,7 @@ static PyObject *__pyx_f_4dnet_3eth_get(PyObject *__pyx_v_self, PyObject *__pyx_
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":120 */
--  __pyx_2 = PyString_FromStringAndSize(__pyx_v_ea.data,6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 120; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromStringAndSize(__pyx_v_ea.data,6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 120; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -654,8 +656,8 @@ static PyObject *__pyx_f_4dnet_3eth_send(PyObject *__pyx_v_self, PyObject *__pyx
-   Py_INCREF(__pyx_v_frame);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":141 */
--  __pyx_1 = PyString_AsString(__pyx_v_frame); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 141; goto __pyx_L1;}
--  __pyx_2 = PyInt_FromLong(eth_send(((struct __pyx_obj_4dnet_eth *)__pyx_v_self)->eth,__pyx_1,PyString_Size(__pyx_v_frame))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 141; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_frame); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 141; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(eth_send(((struct __pyx_obj_4dnet_eth *)__pyx_v_self)->eth,__pyx_1,PyBytes_Size(__pyx_v_frame))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 141; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -710,7 +712,7 @@ static PyObject *__pyx_f_4dnet_eth_ntoa(PyObject *__pyx_self, PyObject *__pyx_ar
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":152 */
--  __pyx_1 = PyString_FromString(eth_ntoa((&__pyx_v_ea))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 152; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromString(eth_ntoa((&__pyx_v_ea))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 152; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -744,7 +746,7 @@ static PyObject *__pyx_f_4dnet_eth_aton(PyObject *__pyx_self, PyObject *__pyx_ar
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":158 */
--  __pyx_1 = PyString_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 158; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 158; goto __pyx_L1;}
-   __pyx_2 = (eth_aton(__pyx_1,(&__pyx_v_ea)) < 0);
-   if (__pyx_2) {
- 
-@@ -758,7 +760,7 @@ static PyObject *__pyx_f_4dnet_eth_aton(PyObject *__pyx_self, PyObject *__pyx_ar
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":160 */
--  __pyx_3 = PyString_FromStringAndSize(__pyx_v_ea.data,6); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 160; goto __pyx_L1;}
-+  __pyx_3 = PyBytes_FromStringAndSize(__pyx_v_ea.data,6); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 160; goto __pyx_L1;}
-   __pyx_r = __pyx_3;
-   __pyx_3 = 0;
-   goto __pyx_L0;
-@@ -775,7 +777,7 @@ static PyObject *__pyx_f_4dnet_eth_aton(PyObject *__pyx_self, PyObject *__pyx_ar
- }
- 
- static PyObject *__pyx_f_4dnet_eth_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_eth_pack_hdr[] = "Return a packed binary string representing an Ethernet header.\n	\n    Keyword arguments:\n    dst  -- destination address			(6-byte binary string)\n    src  -- source address			(6-byte binary string)\n    type -- Ethernet payload type (ETH_TYPE_*)	(16-bit integer)\n    ";
-+static char __pyx_doc_4dnet_eth_pack_hdr[] = "Return a packed binary string representing an Ethernet header.\n  \n    Keyword arguments:\n    dst  -- destination address     (6-byte binary string)\n    src  -- source address      (6-byte binary string)\n    type -- Ethernet payload type (ETH_TYPE_*)  (16-bit integer)\n    ";
- static PyObject *__pyx_f_4dnet_eth_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_dst = 0;
-   PyObject *__pyx_v_src = 0;
-@@ -804,11 +806,11 @@ static PyObject *__pyx_f_4dnet_eth_pack_hdr(PyObject *__pyx_self, PyObject *__py
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":175 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_type); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 175; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_type); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 175; goto __pyx_L1;}
-   eth_pack_hdr(__pyx_v_hdr,__pyx_v_d,__pyx_v_s,__pyx_2);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":176 */
--  __pyx_1 = PyString_FromStringAndSize(__pyx_v_hdr,14); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 176; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromStringAndSize(__pyx_v_hdr,14); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 176; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -879,8 +881,8 @@ static PyObject *__pyx_f_4dnet_2ip_send(PyObject *__pyx_v_self, PyObject *__pyx_
-   Py_INCREF(__pyx_v_pkt);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":259 */
--  __pyx_1 = PyString_AsString(__pyx_v_pkt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 259; goto __pyx_L1;}
--  __pyx_2 = PyInt_FromLong(ip_send(((struct __pyx_obj_4dnet_ip *)__pyx_v_self)->ip,__pyx_1,PyString_Size(__pyx_v_pkt))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 259; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_pkt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 259; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(ip_send(((struct __pyx_obj_4dnet_ip *)__pyx_v_self)->ip,__pyx_1,PyBytes_Size(__pyx_v_pkt))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 259; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -934,14 +936,14 @@ static PyObject *__pyx_f_4dnet_ip_ntoa(PyObject *__pyx_self, PyObject *__pyx_arg
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":271 */
--  __pyx_1 = PyInt_Check(__pyx_v_buf);
-+  __pyx_1 = PyLong_Check(__pyx_v_buf);
-   if (!__pyx_1) {
-     __pyx_1 = PyLong_Check(__pyx_v_buf);
-   }
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":272 */
--    __pyx_2 = PyInt_AsUnsignedLongMask(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; goto __pyx_L1;}
-+    __pyx_2 = PyLong_AsUnsignedLongMask(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 272; goto __pyx_L1;}
-     __pyx_v_i = ntohl(__pyx_2);
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":273 */
-@@ -957,7 +959,7 @@ static PyObject *__pyx_f_4dnet_ip_ntoa(PyObject *__pyx_self, PyObject *__pyx_arg
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":276 */
--  __pyx_3 = PyString_FromString(ip_ntoa((&__pyx_v_ia))); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 276; goto __pyx_L1;}
-+  __pyx_3 = PyBytes_FromString(ip_ntoa((&__pyx_v_ia))); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 276; goto __pyx_L1;}
-   __pyx_r = __pyx_3;
-   __pyx_3 = 0;
-   goto __pyx_L0;
-@@ -991,7 +993,7 @@ static PyObject *__pyx_f_4dnet_ip_aton(PyObject *__pyx_self, PyObject *__pyx_arg
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":282 */
--  __pyx_1 = PyString_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 282; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 282; goto __pyx_L1;}
-   __pyx_2 = (ip_aton(__pyx_1,(&__pyx_v_ia)) < 0);
-   if (__pyx_2) {
- 
-@@ -1005,7 +1007,7 @@ static PyObject *__pyx_f_4dnet_ip_aton(PyObject *__pyx_self, PyObject *__pyx_arg
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":284 */
--  __pyx_3 = PyString_FromStringAndSize(((char (*))(&__pyx_v_ia)),4); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 284; goto __pyx_L1;}
-+  __pyx_3 = PyBytes_FromStringAndSize(((char (*))(&__pyx_v_ia)),4); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 284; goto __pyx_L1;}
-   __pyx_r = __pyx_3;
-   __pyx_3 = 0;
-   goto __pyx_L0;
-@@ -1055,7 +1057,7 @@ static PyObject *__pyx_f_4dnet_ip_checksum(PyObject *__pyx_self, PyObject *__pyx
-       ip_checksum(__pyx_v_buf,__pyx_v_n);
- 
-       /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":300 */
--      __pyx_2 = PyString_FromStringAndSize(__pyx_v_buf,__pyx_v_n); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 300; goto __pyx_L1;}
-+      __pyx_2 = PyBytes_FromStringAndSize(__pyx_v_buf,__pyx_v_n); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 300; goto __pyx_L1;}
-       __pyx_r = __pyx_2;
-       __pyx_2 = 0;
-       goto __pyx_L0;
-@@ -1067,14 +1069,14 @@ static PyObject *__pyx_f_4dnet_ip_checksum(PyObject *__pyx_self, PyObject *__pyx
-     __pyx_v_p = malloc(__pyx_v_n);
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":302 */
--    __pyx_3 = PyString_AsString(__pyx_v_pkt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 302; goto __pyx_L1;}
-+    __pyx_3 = PyBytes_AsString(__pyx_v_pkt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 302; goto __pyx_L1;}
-     memcpy(__pyx_v_p,__pyx_3,__pyx_v_n);
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":303 */
-     ip_checksum(__pyx_v_p,__pyx_v_n);
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":304 */
--    __pyx_2 = PyString_FromStringAndSize(__pyx_v_p,__pyx_v_n); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 304; goto __pyx_L1;}
-+    __pyx_2 = PyBytes_FromStringAndSize(__pyx_v_p,__pyx_v_n); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 304; goto __pyx_L1;}
-     Py_DECREF(__pyx_v_s);
-     __pyx_v_s = __pyx_2;
-     __pyx_2 = 0;
-@@ -1126,7 +1128,7 @@ static PyObject *__pyx_f_4dnet_ip_cksum_add(PyObject *__pyx_self, PyObject *__py
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":313 */
--    __pyx_2 = PyInt_FromLong(ip_cksum_add(__pyx_v_p,__pyx_v_n,__pyx_v_sum)); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 313; goto __pyx_L1;}
-+    __pyx_2 = PyLong_FromLong(ip_cksum_add(__pyx_v_p,__pyx_v_n,__pyx_v_sum)); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 313; goto __pyx_L1;}
-     __pyx_r = __pyx_2;
-     __pyx_2 = 0;
-     goto __pyx_L0;
-@@ -1162,7 +1164,7 @@ static PyObject *__pyx_f_4dnet_ip_cksum_carry(PyObject *__pyx_self, PyObject *__
-   if (!PyArg_ParseTupleAndKeywords(__pyx_args, __pyx_kwds, "i", __pyx_argnames, &__pyx_v_sum)) return 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":318 */
--  __pyx_1 = PyInt_FromLong(ip_cksum_carry(__pyx_v_sum)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 318; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(ip_cksum_carry(__pyx_v_sum)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 318; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -1178,7 +1180,7 @@ static PyObject *__pyx_f_4dnet_ip_cksum_carry(PyObject *__pyx_self, PyObject *__
- }
- 
- static PyObject *__pyx_f_4dnet_ip_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_ip_pack_hdr[] = "Return a packed binary string representing an IP header.\n    \n    Keyword arguments:\n    tos  -- type of service			(8-bit integer)\n    len -- length (IP_HDR_LEN + payload)	(16-bit integer)\n    id   -- packet ID				(16-bit integer)\n    off  -- fragmentation offset		(16-bit integer)\n    ttl  -- time-to-live			(8-bit integer)\n    p    -- protocol (IP_PROTO_*)		(8-bit integer)\n    src  -- source address			(4-byte binary string)\n    dst  -- destination address			(4-byte binary string)\n    ";
-+static char __pyx_doc_4dnet_ip_pack_hdr[] = "Return a packed binary string representing an IP header.\n    \n    Keyword arguments:\n    tos  -- type of service      (8-bit integer)\n    len -- length (IP_HDR_LEN + payload) (16-bit integer)\n    id   -- packet ID       (16-bit integer)\n    off  -- fragmentation offset    (16-bit integer)\n    ttl  -- time-to-live      (8-bit integer)\n    p    -- protocol (IP_PROTO_*)    (8-bit integer)\n    src  -- source address     (4-byte binary string)\n    dst  -- destination address     (4-byte binary string)\n    ";
- static PyObject *__pyx_f_4dnet_ip_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_tos = 0;
-   PyObject *__pyx_v_len = 0;
-@@ -1227,16 +1229,16 @@ static PyObject *__pyx_f_4dnet_ip_pack_hdr(PyObject *__pyx_self, PyObject *__pyx
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":339 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_tos); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
--  __pyx_3 = PyInt_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_v_id); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
--  __pyx_5 = PyInt_AsLong(__pyx_v_off); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
--  __pyx_6 = PyInt_AsLong(__pyx_v_ttl); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
--  __pyx_7 = PyInt_AsLong(__pyx_v_p); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_tos); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-+  __pyx_3 = PyLong_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_v_id); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-+  __pyx_5 = PyLong_AsLong(__pyx_v_off); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-+  __pyx_6 = PyLong_AsLong(__pyx_v_ttl); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-+  __pyx_7 = PyLong_AsLong(__pyx_v_p); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 339; goto __pyx_L1;}
-   ip_pack_hdr(__pyx_v_hdr,__pyx_2,__pyx_3,__pyx_4,__pyx_5,__pyx_6,__pyx_7,__pyx_v_s,__pyx_v_d);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":340 */
--  __pyx_1 = PyString_FromStringAndSize(__pyx_v_hdr,20); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 340; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromStringAndSize(__pyx_v_hdr,20); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 340; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -1275,7 +1277,7 @@ static PyObject *__pyx_f_4dnet_ip6_ntoa(PyObject *__pyx_self, PyObject *__pyx_ar
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":375 */
--  __pyx_1 = PyString_FromString(ip6_ntoa((&__pyx_v_ia))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 375; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromString(ip6_ntoa((&__pyx_v_ia))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 375; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -1309,7 +1311,7 @@ static PyObject *__pyx_f_4dnet_ip6_aton(PyObject *__pyx_self, PyObject *__pyx_ar
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":381 */
--  __pyx_1 = PyString_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 381; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 381; goto __pyx_L1;}
-   __pyx_2 = (ip6_aton(__pyx_1,(&__pyx_v_ia)) < 0);
-   if (__pyx_2) {
- 
-@@ -1323,7 +1325,7 @@ static PyObject *__pyx_f_4dnet_ip6_aton(PyObject *__pyx_self, PyObject *__pyx_ar
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":383 */
--  __pyx_3 = PyString_FromStringAndSize(((char (*))(&__pyx_v_ia)),16); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 383; goto __pyx_L1;}
-+  __pyx_3 = PyBytes_FromStringAndSize(((char (*))(&__pyx_v_ia)),16); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 383; goto __pyx_L1;}
-   __pyx_r = __pyx_3;
-   __pyx_3 = 0;
-   goto __pyx_L0;
-@@ -1350,8 +1352,8 @@ static PyObject *__pyx_f_4dnet_ip6_checksum(PyObject *__pyx_self, PyObject *__py
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":392 */
--  __pyx_1 = PyString_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 392; goto __pyx_L1;}
--  ip6_checksum(__pyx_1,PyString_Size(__pyx_v_buf));
-+  __pyx_1 = PyBytes_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 392; goto __pyx_L1;}
-+  ip6_checksum(__pyx_1,PyBytes_Size(__pyx_v_buf));
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":393 */
-   Py_INCREF(__pyx_v_buf);
-@@ -1369,7 +1371,7 @@ static PyObject *__pyx_f_4dnet_ip6_checksum(PyObject *__pyx_self, PyObject *__py
- }
- 
- static PyObject *__pyx_f_4dnet_ip6_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_ip6_pack_hdr[] = "Return a packed binary string representing an IPv6 header.\n    \n    Keyword arguments:\n    fc   -- flow class			(8-bit integer)\n    fl   -- flow label			(20-bit integer)\n    plen -- payload length		(16-bit integer)\n    nxt  -- next header (IP_PROTO_*)	(8-bit integer)\n    hlim -- hop limit			(8-bit integer)\n    src  -- source address		(16-byte binary string)\n    dst  -- destination address		(16-byte binary string)\n    ";
-+static char __pyx_doc_4dnet_ip6_pack_hdr[] = "Return a packed binary string representing an IPv6 header.\n    \n    Keyword arguments:\n    fc   -- flow class      (8-bit integer)\n    fl   -- flow label     (20-bit integer)\n    plen -- payload length    (16-bit integer)\n    nxt  -- next header (IP_PROTO_*)  (8-bit integer)\n    hlim -- hop limit      (8-bit integer)\n    src  -- source address   (16-byte binary string)\n    dst  -- destination address    (16-byte binary string)\n    ";
- static PyObject *__pyx_f_4dnet_ip6_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_fc = 0;
-   PyObject *__pyx_v_fl = 0;
-@@ -1414,15 +1416,15 @@ static PyObject *__pyx_f_4dnet_ip6_pack_hdr(PyObject *__pyx_self, PyObject *__py
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":412 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_fc); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
--  __pyx_3 = PyInt_AsLong(__pyx_v_fl); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_v_plen); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
--  __pyx_5 = PyInt_AsLong(__pyx_v_nxt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
--  __pyx_6 = PyInt_AsLong(__pyx_v_hlim); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_fc); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
-+  __pyx_3 = PyLong_AsLong(__pyx_v_fl); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_v_plen); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
-+  __pyx_5 = PyLong_AsLong(__pyx_v_nxt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
-+  __pyx_6 = PyLong_AsLong(__pyx_v_hlim); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 412; goto __pyx_L1;}
-   ip6_pack_hdr(__pyx_v_hdr,__pyx_2,__pyx_3,__pyx_4,__pyx_5,__pyx_6,__pyx_v_s,__pyx_v_d);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":413 */
--  __pyx_1 = PyString_FromStringAndSize(__pyx_v_hdr,40); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 413; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromStringAndSize(__pyx_v_hdr,40); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 413; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -1468,27 +1470,27 @@ static int __pyx_f_4dnet_4addr___init__(PyObject *__pyx_v_self, PyObject *__pyx_
-   Py_INCREF(__pyx_v_type);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":445 */
--  if (PyObject_Cmp(__pyx_v_addrtxt, Py_None, &__pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 445; goto __pyx_L1;}
-+  if (__pyx_1=PyObject_RichCompareBool(__pyx_v_addrtxt, Py_None, Py_EQ) == 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 445; goto __pyx_L1;}
-   __pyx_1 = __pyx_1 != 0;
-   if (__pyx_1) {
--    __pyx_2 = PyString_AsString(__pyx_v_addrtxt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 445; goto __pyx_L1;}
-+    __pyx_2 = PyBytes_AsString(__pyx_v_addrtxt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 445; goto __pyx_L1;}
-     __pyx_1 = (addr_aton(__pyx_2,(&((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr)) < 0);
-   }
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":446 */
--    __pyx_1 = (PyString_Size(__pyx_v_addrtxt) == 4);
-+    __pyx_1 = (PyBytes_Size(__pyx_v_addrtxt) == 4);
-     if (__pyx_1) {
- 
-       /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":447 */
-       __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 447; goto __pyx_L1;}
--      __pyx_4 = PyInt_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 447; goto __pyx_L1;}
-+      __pyx_4 = PyLong_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 447; goto __pyx_L1;}
-       Py_DECREF(__pyx_3); __pyx_3 = 0;
-       ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type = __pyx_4;
- 
-       /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":448 */
-       __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_IP_ADDR_BITS); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 448; goto __pyx_L1;}
--      __pyx_4 = PyInt_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 448; goto __pyx_L1;}
-+      __pyx_4 = PyLong_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 448; goto __pyx_L1;}
-       Py_DECREF(__pyx_3); __pyx_3 = 0;
-       ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_bits = __pyx_4;
- 
-@@ -1529,7 +1531,7 @@ static PyObject *__pyx_f_4dnet_4addr_4type___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":456 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 456; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -1554,7 +1556,7 @@ static int __pyx_f_4dnet_4addr_4type___set__(PyObject *__pyx_v_self, PyObject *_
-   int __pyx_1;
-   PyObject *__pyx_2 = 0;
-   Py_INCREF(__pyx_v_self);
--  __pyx_v_value = PyInt_AsUnsignedLongMask(__pyx_arg_value); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; goto __pyx_L1;}
-+  __pyx_v_value = PyLong_AsUnsignedLongMask(__pyx_arg_value); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 457; goto __pyx_L1;}
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":458 */
-   __pyx_1 = (__pyx_v_value > 65535);
-@@ -1588,7 +1590,7 @@ static PyObject *__pyx_f_4dnet_4addr_4bits___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":464 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_bits); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 464; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_bits); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 464; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -1611,7 +1613,7 @@ static int __pyx_f_4dnet_4addr_4bits___set__(PyObject *__pyx_v_self, PyObject *_
-   int __pyx_1;
-   PyObject *__pyx_2 = 0;
-   Py_INCREF(__pyx_v_self);
--  __pyx_v_value = PyInt_AsUnsignedLongMask(__pyx_arg_value); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; goto __pyx_L1;}
-+  __pyx_v_value = PyLong_AsUnsignedLongMask(__pyx_arg_value); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 465; goto __pyx_L1;}
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":466 */
-   __pyx_1 = (__pyx_v_value > 65535);
-@@ -1654,9 +1656,9 @@ static PyObject *__pyx_f_4dnet_4addr_4data___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":472 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 472; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 472; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_ETH); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 472; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 472; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 472; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 == 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -1669,9 +1671,9 @@ static PyObject *__pyx_f_4dnet_4addr_4data___get__(PyObject *__pyx_v_self) {
-     goto __pyx_L0;
-     goto __pyx_L2;
-   }
--  __pyx_2 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 474; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 474; goto __pyx_L1;}
-   __pyx_1 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 474; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_2, __pyx_1, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 474; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_2, __pyx_1, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 474; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 == 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-@@ -1684,9 +1686,9 @@ static PyObject *__pyx_f_4dnet_4addr_4data___get__(PyObject *__pyx_v_self) {
-     goto __pyx_L0;
-     goto __pyx_L2;
-   }
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 476; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 476; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 476; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 476; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 476; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 == 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -1734,9 +1736,9 @@ static PyObject *__pyx_f_4dnet_4addr_3eth___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":484 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 484; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 484; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_ETH); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 484; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 484; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2,Py_EQ ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 484; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -1752,7 +1754,7 @@ static PyObject *__pyx_f_4dnet_4addr_3eth___get__(PyObject *__pyx_v_self) {
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":486 */
--  __pyx_2 = PyString_FromStringAndSize(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8,6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 486; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromStringAndSize(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8,6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 486; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -1784,9 +1786,9 @@ static int __pyx_f_4dnet_4addr_3eth___set__(PyObject *__pyx_v_self, PyObject *__
-   Py_INCREF(__pyx_v_value);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":489 */
--  __pyx_1 = PyInt_FromLong(PyString_Size(__pyx_v_value)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 489; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(PyBytes_Size(__pyx_v_value)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 489; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ETH_ADDR_LEN); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 489; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 489; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_1, __pyx_2,Py_EQ ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 489; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -1807,13 +1809,13 @@ static int __pyx_f_4dnet_4addr_3eth___set__(PyObject *__pyx_v_self, PyObject *__
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":492 */
-   __pyx_1 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_ETH); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 492; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 492; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 492; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type = __pyx_4;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":493 */
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ETH_ADDR_BITS); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 493; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 493; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 493; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_bits = __pyx_4;
- 
-@@ -1843,9 +1845,9 @@ static PyObject *__pyx_f_4dnet_4addr_2ip___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":498 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 498; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 498; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 498; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 498; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 498; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -1861,7 +1863,7 @@ static PyObject *__pyx_f_4dnet_4addr_2ip___get__(PyObject *__pyx_v_self) {
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":500 */
--  __pyx_2 = PyString_FromStringAndSize(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8,4); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 500; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromStringAndSize(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8,4); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 500; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -1893,11 +1895,11 @@ static int __pyx_f_4dnet_4addr_2ip___set__(PyObject *__pyx_v_self, PyObject *__p
-   Py_INCREF(__pyx_v_value);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":504 */
--  __pyx_1 = PyInt_Check(__pyx_v_value);
-+  __pyx_1 = PyLong_Check(__pyx_v_value);
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":505 */
--    ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_ip = htonl(PyInt_AsLong(__pyx_v_value));
-+    ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_ip = htonl(PyLong_AsLong(__pyx_v_value));
-     goto __pyx_L2;
-   }
-   __pyx_1 = PyLong_Check(__pyx_v_value);
-@@ -1907,9 +1909,9 @@ static int __pyx_f_4dnet_4addr_2ip___set__(PyObject *__pyx_v_self, PyObject *__p
-     ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_ip = htonl(PyLong_AsUnsignedLong(__pyx_v_value));
-     goto __pyx_L2;
-   }
--  __pyx_2 = PyInt_FromLong(PyString_Size(__pyx_v_value)); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 508; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(PyBytes_Size(__pyx_v_value)); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 508; goto __pyx_L1;}
-   __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_IP_ADDR_LEN); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 508; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_2, __pyx_3, &__pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 508; goto __pyx_L1;}
-+  if (__pyx_1 = PyObject_RichCompareBool(__pyx_2, __pyx_3, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 508; goto __pyx_L1;}
-   __pyx_1 = __pyx_1 != 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
-@@ -1932,13 +1934,13 @@ static int __pyx_f_4dnet_4addr_2ip___set__(PyObject *__pyx_v_self, PyObject *__p
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":512 */
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 512; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 512; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 512; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type = __pyx_4;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":513 */
-   __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_IP_ADDR_BITS); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 513; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 513; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 513; goto __pyx_L1;}
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_bits = __pyx_4;
- 
-@@ -1968,9 +1970,9 @@ static PyObject *__pyx_f_4dnet_4addr_3ip6___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":518 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 518; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 518; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 518; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 518; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 518; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -1986,7 +1988,7 @@ static PyObject *__pyx_f_4dnet_4addr_3ip6___get__(PyObject *__pyx_v_self) {
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":520 */
--  __pyx_2 = PyString_FromStringAndSize(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8,16); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 520; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromStringAndSize(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8,16); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 520; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -2018,9 +2020,9 @@ static int __pyx_f_4dnet_4addr_3ip6___set__(PyObject *__pyx_v_self, PyObject *__
-   Py_INCREF(__pyx_v_value);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":523 */
--  __pyx_1 = PyInt_FromLong(PyString_Size(__pyx_v_value)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 523; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(PyBytes_Size(__pyx_v_value)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 523; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_IP6_ADDR_LEN); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 523; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 523; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 523; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -2041,13 +2043,13 @@ static int __pyx_f_4dnet_4addr_3ip6___set__(PyObject *__pyx_v_self, PyObject *__
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":526 */
-   __pyx_1 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP6); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 526; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 526; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 526; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type = __pyx_4;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":527 */
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_IP6_ADDR_BITS); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 527; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 527; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 527; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_bits = __pyx_4;
- 
-@@ -2167,7 +2169,7 @@ static PyObject *__pyx_f_4dnet_4addr___add__(PyObject *__pyx_v_self, PyObject *_
-   __pyx_v_z = Py_None; Py_INCREF(Py_None);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":543 */
--  __pyx_1 = PyInt_Check(__pyx_v_self);
-+  __pyx_1 = PyLong_Check(__pyx_v_self);
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":544 */
-@@ -2183,7 +2185,7 @@ static PyObject *__pyx_f_4dnet_4addr___add__(PyObject *__pyx_v_self, PyObject *_
-     __pyx_3 = 0;
-     goto __pyx_L2;
-   }
--  __pyx_1 = PyInt_Check(__pyx_v_other);
-+  __pyx_1 = PyLong_Check(__pyx_v_other);
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":546 */
-@@ -2223,7 +2225,7 @@ static PyObject *__pyx_f_4dnet_4addr___add__(PyObject *__pyx_v_self, PyObject *_
-   __pyx_3 = PyLong_FromUnsignedLong(ntohl(((struct __pyx_obj_4dnet_addr *)__pyx_v_x)->_addr.addr_ip)); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; goto __pyx_L1;}
-   __pyx_2 = PyNumber_Add(__pyx_3, __pyx_v_y); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; goto __pyx_L1;}
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
--  __pyx_5 = PyInt_AsUnsignedLongMask(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; goto __pyx_L1;}
-+  __pyx_5 = PyLong_AsUnsignedLongMask(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 550; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   ((struct __pyx_obj_4dnet_addr *)__pyx_v_z)->_addr.addr_ip = htonl(__pyx_5);
- 
-@@ -2405,9 +2407,9 @@ static long __pyx_f_4dnet_4addr___hash__(PyObject *__pyx_v_self) {
-   __pyx_v_i = Py_None; Py_INCREF(Py_None);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":578 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 578; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 578; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_ETH); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 578; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 578; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 578; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 == 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -2415,9 +2417,9 @@ static long __pyx_f_4dnet_4addr___hash__(PyObject *__pyx_v_self) {
-     __pyx_v_size = 6;
-     goto __pyx_L2;
-   }
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 579; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 579; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 579; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 579; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 579; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 == 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -2425,9 +2427,9 @@ static long __pyx_f_4dnet_4addr___hash__(PyObject *__pyx_v_self) {
-     __pyx_v_size = 4;
-     goto __pyx_L2;
-   }
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 580; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 580; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 580; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 580; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 580; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 == 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -2451,13 +2453,13 @@ static long __pyx_f_4dnet_4addr___hash__(PyObject *__pyx_v_self) {
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":585 */
-   for (__pyx_4 = 0+1; __pyx_4 < __pyx_v_size; ++__pyx_4) {
--    __pyx_1 = PyInt_FromLong(__pyx_4); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 585; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong(__pyx_4); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 585; goto __pyx_L1;}
-     Py_DECREF(__pyx_v_i);
-     __pyx_v_i = __pyx_1;
-     __pyx_1 = 0;
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":586 */
--    __pyx_5 = PyInt_AsSsize_t(__pyx_v_i); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 586; goto __pyx_L1;}
-+    __pyx_5 = PyLong_AsSsize_t(__pyx_v_i); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 586; goto __pyx_L1;}
-     __pyx_v_y = ((1000003 * __pyx_v_y) ^ (((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_data8[__pyx_5]));
-     __pyx_L3:;
-   }
-@@ -2511,9 +2513,9 @@ static PyObject *__pyx_f_4dnet_4addr___int__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":594 */
--  __pyx_1 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 594; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 594; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 594; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 594; goto __pyx_L1;}
-+  if (__pyx_3=PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 594; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-@@ -2591,9 +2593,9 @@ static PyObject *__pyx_f_4dnet_4addr___iter__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":603 */
--  __pyx_2 = PyInt_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 603; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(((struct __pyx_obj_4dnet_addr *)__pyx_v_self)->_addr.addr_type); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 603; goto __pyx_L1;}
-   __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 603; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_2, __pyx_3, &__pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 603; goto __pyx_L1;}
-+  if (__pyx_1 = PyObject_RichCompareBool(__pyx_2, __pyx_3,Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 603; goto __pyx_L1;}
-   __pyx_1 = __pyx_1 != 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
-@@ -2669,7 +2671,7 @@ static PyObject *__pyx_f_4dnet_4addr___repr__(PyObject *__pyx_v_self) {
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":622 */
--  __pyx_2 = PyString_FromString(__pyx_v_p); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 622; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromString(__pyx_v_p); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 622; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -2698,11 +2700,11 @@ static int __pyx_f_4dnet_15__addr_ip4_iter___init__(PyObject *__pyx_v_self, PyOb
-   Py_INCREF(__pyx_v_max);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":629 */
--  __pyx_1 = PyInt_AsUnsignedLongMask(__pyx_v_cur); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 629; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsUnsignedLongMask(__pyx_v_cur); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 629; goto __pyx_L1;}
-   ((struct __pyx_obj_4dnet___addr_ip4_iter *)__pyx_v_self)->cur = ntohl(__pyx_1);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":630 */
--  __pyx_1 = PyInt_AsUnsignedLongMask(__pyx_v_max); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 630; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsUnsignedLongMask(__pyx_v_max); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 630; goto __pyx_L1;}
-   ((struct __pyx_obj_4dnet___addr_ip4_iter *)__pyx_v_self)->max = ntohl(__pyx_1);
- 
-   __pyx_r = 0;
-@@ -2745,13 +2747,13 @@ static PyObject *__pyx_f_4dnet_15__addr_ip4_iter___next__(PyObject *__pyx_v_self
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":636 */
-     __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_IP); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 636; goto __pyx_L1;}
--    __pyx_4 = PyInt_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 636; goto __pyx_L1;}
-+    __pyx_4 = PyLong_AsLong(__pyx_2); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 636; goto __pyx_L1;}
-     Py_DECREF(__pyx_2); __pyx_2 = 0;
-     __pyx_v_next->_addr.addr_type = __pyx_4;
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":637 */
-     __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_IP_ADDR_BITS); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 637; goto __pyx_L1;}
--    __pyx_4 = PyInt_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 637; goto __pyx_L1;}
-+    __pyx_4 = PyLong_AsLong(__pyx_3); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 637; goto __pyx_L1;}
-     Py_DECREF(__pyx_3); __pyx_3 = 0;
-     __pyx_v_next->_addr.addr_bits = __pyx_4;
- 
-@@ -2865,7 +2867,7 @@ static int __pyx_f_4dnet___arp_callback(struct arp_entry (*__pyx_v_entry),void (
-   if (__pyx_5) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":686 */
--    __pyx_1 = PyInt_FromLong(0); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 686; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong(0); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 686; goto __pyx_L1;}
-     Py_DECREF(__pyx_v_ret);
-     __pyx_v_ret = __pyx_1;
-     __pyx_1 = 0;
-@@ -2874,7 +2876,7 @@ static int __pyx_f_4dnet___arp_callback(struct arp_entry (*__pyx_v_entry),void (
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":687 */
--  __pyx_4 = PyInt_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 687; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 687; goto __pyx_L1;}
-   __pyx_r = __pyx_4;
-   goto __pyx_L0;
- 
-@@ -3057,7 +3059,7 @@ static PyObject *__pyx_f_4dnet_3arp_get(PyObject *__pyx_v_self, PyObject *__pyx_
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":735 */
--    __pyx_2 = PyString_FromString(addr_ntoa((&__pyx_v_entry.arp_ha))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 735; goto __pyx_L1;}
-+    __pyx_2 = PyBytes_FromString(addr_ntoa((&__pyx_v_entry.arp_ha))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 735; goto __pyx_L1;}
-     __pyx_3 = PyTuple_New(1); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 735; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_3, 0, __pyx_2);
-     __pyx_2 = 0;
-@@ -3115,7 +3117,7 @@ static PyObject *__pyx_f_4dnet_3arp_loop(PyObject *__pyx_v_self, PyObject *__pyx
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":749 */
--  __pyx_1 = PyInt_FromLong(arp_loop(((struct __pyx_obj_4dnet_arp *)__pyx_v_self)->arp,__pyx_f_4dnet___arp_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 749; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(arp_loop(((struct __pyx_obj_4dnet_arp *)__pyx_v_self)->arp,__pyx_f_4dnet___arp_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 749; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -3215,7 +3217,7 @@ static void __pyx_f_4dnet_3arp___dealloc__(PyObject *__pyx_v_self) {
- }
- 
- static PyObject *__pyx_f_4dnet_arp_pack_hdr_ethip(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_arp_pack_hdr_ethip[] = "Return a packed binary string representing an Ethernet/IP ARP message.\n    \n    Keyword arguments:\n    op  -- operation (ARP_OP_*)			(16-bit integer)\n    sha -- sender Ethernet address		(6-byte binary string)\n    spa -- sender IP address			(4-byte binary string)\n    dha -- destination Ethernet address		(6-byte binary string)\n    dpa -- destination IP address		(4-byte binary string)\n    ";
-+static char __pyx_doc_4dnet_arp_pack_hdr_ethip[] = "Return a packed binary string representing an Ethernet/IP ARP message.\n    \n    Keyword arguments:\n    op  -- operation (ARP_OP_*)     (16-bit integer)\n    sha -- sender Ethernet address    (6-byte binary string)\n    spa -- sender IP address      (4-byte binary string)\n    dha -- destination Ethernet address   (6-byte binary string)\n    dpa -- destination IP address   (4-byte binary string)\n    ";
- static PyObject *__pyx_f_4dnet_arp_pack_hdr_ethip(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_op = 0;
-   PyObject *__pyx_v_sha = 0;
-@@ -3260,11 +3262,11 @@ static PyObject *__pyx_f_4dnet_arp_pack_hdr_ethip(PyObject *__pyx_self, PyObject
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":779 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_op); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 779; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_op); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 779; goto __pyx_L1;}
-   arp_pack_hdr_ethip(__pyx_v_buf,__pyx_2,__pyx_v_sh,__pyx_v_sp,__pyx_v_dh,__pyx_v_dp);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":780 */
--  __pyx_1 = PyString_FromStringAndSize(__pyx_v_buf,28); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 780; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromStringAndSize(__pyx_v_buf,28); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 780; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -3285,7 +3287,7 @@ static PyObject *__pyx_f_4dnet_arp_pack_hdr_ethip(PyObject *__pyx_self, PyObject
- }
- 
- static PyObject *__pyx_f_4dnet_icmp_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_icmp_pack_hdr[] = "Return a packed binary string representing an ICMP header.\n\n    Keyword arguments:\n    type -- ICMP type		(8-bit integer)\n    code -- ICMP code		(8-bit integer)\n    ";
-+static char __pyx_doc_4dnet_icmp_pack_hdr[] = "Return a packed binary string representing an ICMP header.\n\n    Keyword arguments:\n    type -- ICMP type    (8-bit integer)\n    code -- ICMP code    (8-bit integer)\n    ";
- static PyObject *__pyx_f_4dnet_icmp_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_type = 0;
-   PyObject *__pyx_v_code = 0;
-@@ -3300,12 +3302,12 @@ static PyObject *__pyx_f_4dnet_icmp_pack_hdr(PyObject *__pyx_self, PyObject *__p
-   Py_INCREF(__pyx_v_code);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":796 */
--  __pyx_1 = PyInt_AsLong(__pyx_v_type); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 796; goto __pyx_L1;}
--  __pyx_2 = PyInt_AsLong(__pyx_v_code); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 796; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsLong(__pyx_v_type); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 796; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_code); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 796; goto __pyx_L1;}
-   icmp_pack_hdr(__pyx_v_buf,__pyx_1,__pyx_2);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":797 */
--  __pyx_3 = PyString_FromStringAndSize(__pyx_v_buf,(sizeof(__pyx_v_buf))); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 797; goto __pyx_L1;}
-+  __pyx_3 = PyBytes_FromStringAndSize(__pyx_v_buf,(sizeof(__pyx_v_buf))); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 797; goto __pyx_L1;}
-   __pyx_r = __pyx_3;
-   __pyx_3 = 0;
-   goto __pyx_L0;
-@@ -3323,7 +3325,7 @@ static PyObject *__pyx_f_4dnet_icmp_pack_hdr(PyObject *__pyx_self, PyObject *__p
- }
- 
- static PyObject *__pyx_f_4dnet_tcp_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_tcp_pack_hdr[] = "Return a packed binary string representing a TCP header.\n\n    Keyword arguments:\n    sport -- source port		(16-bit integer)\n    dport -- destination port		(16-bit integer)\n    seq   -- sequence number		(32-bit integer)\n    ack   -- acknowledgment number	(32-bit integer)\n    flags -- control flags (TH_*)	(8-bit integer bitmask)\n    win   -- window size		(16-bit integer)\n    urp   -- urgent pointer		(16-bit integer)\n    ";
-+static char __pyx_doc_4dnet_tcp_pack_hdr[] = "Return a packed binary string representing a TCP header.\n\n    Keyword arguments:\n    sport -- source port    (16-bit integer)\n    dport -- destination port   (16-bit integer)\n    seq   -- sequence number    (32-bit integer)\n    ack   -- acknowledgment number  (32-bit integer)\n    flags -- control flags (TH_*) (8-bit integer bitmask)\n    win   -- window size   (16-bit integer)\n    urp   -- urgent pointer   (16-bit integer)\n    ";
- static PyObject *__pyx_f_4dnet_tcp_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_sport = 0;
-   PyObject *__pyx_v_dport = 0;
-@@ -3358,17 +3360,17 @@ static PyObject *__pyx_f_4dnet_tcp_pack_hdr(PyObject *__pyx_self, PyObject *__py
-   Py_INCREF(__pyx_v_urp);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":862 */
--  __pyx_1 = PyInt_AsLong(__pyx_v_sport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
--  __pyx_2 = PyInt_AsLong(__pyx_v_dport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
--  __pyx_3 = PyInt_AsUnsignedLongMask(__pyx_v_seq); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
--  __pyx_4 = PyInt_AsUnsignedLongMask(__pyx_v_ack); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
--  __pyx_5 = PyInt_AsLong(__pyx_v_flags); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
--  __pyx_6 = PyInt_AsLong(__pyx_v_win); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
--  __pyx_7 = PyInt_AsLong(__pyx_v_urp); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsLong(__pyx_v_sport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_dport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_3 = PyLong_AsUnsignedLongMask(__pyx_v_seq); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsUnsignedLongMask(__pyx_v_ack); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_5 = PyLong_AsLong(__pyx_v_flags); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_6 = PyLong_AsLong(__pyx_v_win); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-+  __pyx_7 = PyLong_AsLong(__pyx_v_urp); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 862; goto __pyx_L1;}
-   tcp_pack_hdr(__pyx_v_buf,__pyx_1,__pyx_2,__pyx_3,__pyx_4,__pyx_5,__pyx_6,__pyx_7);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":863 */
--  __pyx_8 = PyString_FromStringAndSize(__pyx_v_buf,(sizeof(__pyx_v_buf))); if (!__pyx_8) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 863; goto __pyx_L1;}
-+  __pyx_8 = PyBytes_FromStringAndSize(__pyx_v_buf,(sizeof(__pyx_v_buf))); if (!__pyx_8) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 863; goto __pyx_L1;}
-   __pyx_r = __pyx_8;
-   __pyx_8 = 0;
-   goto __pyx_L0;
-@@ -3391,7 +3393,7 @@ static PyObject *__pyx_f_4dnet_tcp_pack_hdr(PyObject *__pyx_self, PyObject *__py
- }
- 
- static PyObject *__pyx_f_4dnet_udp_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_udp_pack_hdr[] = "Return a packed binary string representing a UDP header.\n\n    Keyword arguments:\n    sport -- source port		(16-bit integer)\n    dport -- destination port		(16-bit integer)\n    ulen  -- UDP header + data length	(16-bit integer)\n    ";
-+static char __pyx_doc_4dnet_udp_pack_hdr[] = "Return a packed binary string representing a UDP header.\n\n    Keyword arguments:\n    sport -- source port    (16-bit integer)\n    dport -- destination port   (16-bit integer)\n    ulen  -- UDP header + data length (16-bit integer)\n    ";
- static PyObject *__pyx_f_4dnet_udp_pack_hdr(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_sport = 0;
-   PyObject *__pyx_v_dport = 0;
-@@ -3410,13 +3412,13 @@ static PyObject *__pyx_f_4dnet_udp_pack_hdr(PyObject *__pyx_self, PyObject *__py
-   Py_INCREF(__pyx_v_ulen);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":883 */
--  __pyx_1 = PyInt_AsLong(__pyx_v_sport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 883; goto __pyx_L1;}
--  __pyx_2 = PyInt_AsLong(__pyx_v_dport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 883; goto __pyx_L1;}
--  __pyx_3 = PyInt_AsLong(__pyx_v_ulen); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 883; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsLong(__pyx_v_sport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 883; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_dport); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 883; goto __pyx_L1;}
-+  __pyx_3 = PyLong_AsLong(__pyx_v_ulen); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 883; goto __pyx_L1;}
-   udp_pack_hdr(__pyx_v_buf,__pyx_1,__pyx_2,__pyx_3);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":884 */
--  __pyx_4 = PyString_FromStringAndSize(__pyx_v_buf,(sizeof(__pyx_v_buf))); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 884; goto __pyx_L1;}
-+  __pyx_4 = PyBytes_FromStringAndSize(__pyx_v_buf,(sizeof(__pyx_v_buf))); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 884; goto __pyx_L1;}
-   __pyx_r = __pyx_4;
-   __pyx_4 = 0;
-   goto __pyx_L0;
-@@ -3467,17 +3469,17 @@ static PyObject *__pyx_f_4dnet_ifent_to_dict(struct intf_entry (*__pyx_v_entry))
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":927 */
--  __pyx_1 = PyString_FromString(__pyx_v_entry->intf_name); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 927; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromString(__pyx_v_entry->intf_name); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 927; goto __pyx_L1;}
-   if (PyObject_SetItem(__pyx_v_d, __pyx_n_name, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 927; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":928 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_entry->intf_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 928; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_entry->intf_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 928; goto __pyx_L1;}
-   if (PyObject_SetItem(__pyx_v_d, __pyx_n_type, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 928; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":929 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_entry->intf_flags); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 929; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_entry->intf_flags); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 929; goto __pyx_L1;}
-   if (PyObject_SetItem(__pyx_v_d, __pyx_n_flags, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 929; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-@@ -3487,16 +3489,16 @@ static PyObject *__pyx_f_4dnet_ifent_to_dict(struct intf_entry (*__pyx_v_entry))
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":931 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_entry->intf_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 931; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_entry->intf_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 931; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_NONE); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 931; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 931; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 931; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   if (__pyx_3) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":932 */
--    __pyx_1 = PyString_FromString(addr_ntoa((&__pyx_v_entry->intf_addr))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 932; goto __pyx_L1;}
-+    __pyx_1 = PyBytes_FromString(addr_ntoa((&__pyx_v_entry->intf_addr))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 932; goto __pyx_L1;}
-     __pyx_2 = PyTuple_New(1); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 932; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_2, 0, __pyx_1);
-     __pyx_1 = 0;
-@@ -3509,16 +3511,16 @@ static PyObject *__pyx_f_4dnet_ifent_to_dict(struct intf_entry (*__pyx_v_entry))
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":933 */
--  __pyx_2 = PyInt_FromLong(__pyx_v_entry->intf_dst_addr.addr_type); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 933; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(__pyx_v_entry->intf_dst_addr.addr_type); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 933; goto __pyx_L1;}
-   __pyx_1 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_NONE); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 933; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_2, __pyx_1, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 933; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_2, __pyx_1, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 933; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   if (__pyx_3) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":934 */
--    __pyx_2 = PyString_FromString(addr_ntoa((&__pyx_v_entry->intf_dst_addr))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 934; goto __pyx_L1;}
-+    __pyx_2 = PyBytes_FromString(addr_ntoa((&__pyx_v_entry->intf_dst_addr))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 934; goto __pyx_L1;}
-     __pyx_1 = PyTuple_New(1); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 934; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_1, 0, __pyx_2);
-     __pyx_2 = 0;
-@@ -3531,16 +3533,16 @@ static PyObject *__pyx_f_4dnet_ifent_to_dict(struct intf_entry (*__pyx_v_entry))
-   __pyx_L3:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":935 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_entry->intf_link_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 935; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_entry->intf_link_addr.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 935; goto __pyx_L1;}
-   __pyx_2 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_NONE); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 935; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_2, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 935; goto __pyx_L1;}
-+  if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_2, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 935; goto __pyx_L1;}
-   __pyx_3 = __pyx_3 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
-   if (__pyx_3) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":936 */
--    __pyx_1 = PyString_FromString(addr_ntoa((&__pyx_v_entry->intf_link_addr))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 936; goto __pyx_L1;}
-+    __pyx_1 = PyBytes_FromString(addr_ntoa((&__pyx_v_entry->intf_link_addr))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 936; goto __pyx_L1;}
-     __pyx_2 = PyTuple_New(1); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 936; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_2, 0, __pyx_1);
-     __pyx_1 = 0;
-@@ -3565,15 +3567,15 @@ static PyObject *__pyx_f_4dnet_ifent_to_dict(struct intf_entry (*__pyx_v_entry))
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":939 */
-     __pyx_5 = __pyx_v_entry->intf_alias_num;
-     for (__pyx_4 = 0; __pyx_4 < __pyx_5; ++__pyx_4) {
--      __pyx_1 = PyInt_FromLong(__pyx_4); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 939; goto __pyx_L1;}
-+      __pyx_1 = PyLong_FromLong(__pyx_4); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 939; goto __pyx_L1;}
-       Py_DECREF(__pyx_v_i);
-       __pyx_v_i = __pyx_1;
-       __pyx_1 = 0;
- 
-       /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":940 */
-       __pyx_2 = PyObject_GetAttr(__pyx_v_l, __pyx_n_append); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 940; goto __pyx_L1;}
--      __pyx_6 = PyInt_AsSsize_t(__pyx_v_i); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 940; goto __pyx_L1;}
--      __pyx_1 = PyString_FromString(addr_ntoa((&(__pyx_v_entry->intf_alias_addrs[__pyx_6])))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 940; goto __pyx_L1;}
-+      __pyx_6 = PyLong_AsSsize_t(__pyx_v_i); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 940; goto __pyx_L1;}
-+      __pyx_1 = PyBytes_FromString(addr_ntoa((&(__pyx_v_entry->intf_alias_addrs[__pyx_6])))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 940; goto __pyx_L1;}
-       __pyx_7 = PyTuple_New(1); if (!__pyx_7) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 940; goto __pyx_L1;}
-       PyTuple_SET_ITEM(__pyx_7, 0, __pyx_1);
-       __pyx_1 = 0;
-@@ -3643,7 +3645,7 @@ static PyObject *__pyx_f_4dnet_dict_to_ifent(PyObject *__pyx_v_d,struct intf_ent
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":946 */
--  __pyx_2 = PyString_AsString(__pyx_v_s); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 946; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_AsString(__pyx_v_s); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 946; goto __pyx_L1;}
-   strlcpy(__pyx_v_entry->intf_name,__pyx_2,16);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":947 */
-@@ -3652,7 +3654,7 @@ static PyObject *__pyx_f_4dnet_dict_to_ifent(PyObject *__pyx_v_d,struct intf_ent
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":948 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_flags); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 948; goto __pyx_L1;}
--    __pyx_4 = PyInt_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 948; goto __pyx_L1;}
-+    __pyx_4 = PyLong_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 948; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     __pyx_v_entry->intf_flags = __pyx_4;
-     goto __pyx_L2;
-@@ -3665,7 +3667,7 @@ static PyObject *__pyx_f_4dnet_dict_to_ifent(PyObject *__pyx_v_d,struct intf_ent
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":950 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_mtu); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 950; goto __pyx_L1;}
--    __pyx_5 = PyInt_AsUnsignedLongMask(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 950; goto __pyx_L1;}
-+    __pyx_5 = PyLong_AsUnsignedLongMask(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 950; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     __pyx_v_entry->intf_mtu = __pyx_5;
-     goto __pyx_L3;
-@@ -3721,14 +3723,14 @@ static PyObject *__pyx_f_4dnet_dict_to_ifent(PyObject *__pyx_v_d,struct intf_ent
-     __pyx_6 = PyObject_Call(__pyx_1, __pyx_7, 0); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 958; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     Py_DECREF(__pyx_7); __pyx_7 = 0;
--    __pyx_5 = PyInt_AsUnsignedLongMask(__pyx_6); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 958; goto __pyx_L1;}
-+    __pyx_5 = PyLong_AsUnsignedLongMask(__pyx_6); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 958; goto __pyx_L1;}
-     Py_DECREF(__pyx_6); __pyx_6 = 0;
-     __pyx_v_entry->intf_alias_num = __pyx_5;
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":959 */
-     __pyx_5 = __pyx_v_entry->intf_alias_num;
-     for (__pyx_8 = 0; __pyx_8 < __pyx_5; ++__pyx_8) {
--      __pyx_1 = PyInt_FromLong(__pyx_8); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 959; goto __pyx_L1;}
-+      __pyx_1 = PyLong_FromLong(__pyx_8); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 959; goto __pyx_L1;}
-       Py_DECREF(__pyx_v_i);
-       __pyx_v_i = __pyx_1;
-       __pyx_1 = 0;
-@@ -3737,7 +3739,7 @@ static PyObject *__pyx_f_4dnet_dict_to_ifent(PyObject *__pyx_v_d,struct intf_ent
-       __pyx_7 = PyObject_GetItem(__pyx_v_d, __pyx_n_alias_addrs); if (!__pyx_7) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 960; goto __pyx_L1;}
-       __pyx_6 = PyObject_GetItem(__pyx_7, __pyx_v_i); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 960; goto __pyx_L1;}
-       Py_DECREF(__pyx_7); __pyx_7 = 0;
--      __pyx_9 = PyInt_AsSsize_t(__pyx_v_i); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 960; goto __pyx_L1;}
-+      __pyx_9 = PyLong_AsSsize_t(__pyx_v_i); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 960; goto __pyx_L1;}
-       (__pyx_v_entry->intf_alias_addrs[__pyx_9]) = ((struct __pyx_obj_4dnet_addr *)__pyx_6)->_addr;
-       Py_DECREF(__pyx_6); __pyx_6 = 0;
-       __pyx_L8:;
-@@ -3809,7 +3811,7 @@ static int __pyx_f_4dnet___intf_callback(struct intf_entry (*__pyx_v_entry),void
-   if (__pyx_5) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":966 */
--    __pyx_2 = PyInt_FromLong(0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 966; goto __pyx_L1;}
-+    __pyx_2 = PyLong_FromLong(0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 966; goto __pyx_L1;}
-     Py_DECREF(__pyx_v_ret);
-     __pyx_v_ret = __pyx_2;
-     __pyx_2 = 0;
-@@ -3818,7 +3820,7 @@ static int __pyx_f_4dnet___intf_callback(struct intf_entry (*__pyx_v_entry),void
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":967 */
--  __pyx_4 = PyInt_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 967; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 967; goto __pyx_L1;}
-   __pyx_r = __pyx_4;
-   goto __pyx_L0;
- 
-@@ -3900,7 +3902,7 @@ static PyObject *__pyx_f_4dnet_4intf_get(PyObject *__pyx_v_self, PyObject *__pyx
-   __pyx_v_ifent->intf_len = 1024;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":988 */
--  __pyx_1 = PyString_AsString(__pyx_v_name); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 988; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_name); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 988; goto __pyx_L1;}
-   strlcpy(__pyx_v_ifent->intf_name,__pyx_1,16);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":989 */
-@@ -4050,7 +4052,7 @@ static PyObject *__pyx_f_4dnet_4intf_get_dst(PyObject *__pyx_v_self, PyObject *_
- }
- 
- static PyObject *__pyx_f_4dnet_4intf_set(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_4intf_set[] = "Set the configuration for an interface from a dict.\n\n        Dict values:\n        name        -- name of interface to set		(string)\n        flags       -- interface flags (INTF_FLAG_*)	(integer bitmask)\n        mtu         -- interface MTU			(integer)\n        addr        -- primary network address		(addr object)\n        dst_addr    -- point-to-point dst address	(addr object)\n        link_addr   -- link-layer address		(addr object)\n        alias_addrs -- additional network addresses	(list of addr objects)\n        ";
-+static char __pyx_doc_4dnet_4intf_set[] = "Set the configuration for an interface from a dict.\n\n        Dict values:\n        name        -- name of interface to set   (string)\n        flags       -- interface flags (INTF_FLAG_*)  (integer bitmask)\n        mtu         -- interface MTU     (integer)\n        addr        -- primary network address   (addr object)\n        dst_addr    -- point-to-point dst address  (addr object)\n        link_addr   -- link-layer address    (addr object)\n        alias_addrs -- additional network addresses  (list of addr objects)\n        ";
- static PyObject *__pyx_f_4dnet_4intf_set(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_d = 0;
-   struct intf_entry (*__pyx_v_ifent);
-@@ -4132,7 +4134,7 @@ static PyObject *__pyx_f_4dnet_4intf_loop(PyObject *__pyx_v_self, PyObject *__py
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1049 */
--  __pyx_1 = PyInt_FromLong(intf_loop(((struct __pyx_obj_4dnet_intf *)__pyx_v_self)->intf,__pyx_f_4dnet___intf_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1049; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(intf_loop(((struct __pyx_obj_4dnet_intf *)__pyx_v_self)->intf,__pyx_f_4dnet___intf_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1049; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -4303,7 +4305,7 @@ static int __pyx_f_4dnet___route_callback(struct route_entry (*__pyx_v_entry),vo
-   if (__pyx_5) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1085 */
--    __pyx_1 = PyInt_FromLong(0); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1085; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong(0); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1085; goto __pyx_L1;}
-     Py_DECREF(__pyx_v_ret);
-     __pyx_v_ret = __pyx_1;
-     __pyx_1 = 0;
-@@ -4312,7 +4314,7 @@ static int __pyx_f_4dnet___route_callback(struct route_entry (*__pyx_v_entry),vo
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1086 */
--  __pyx_4 = PyInt_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1086; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1086; goto __pyx_L1;}
-   __pyx_r = __pyx_4;
-   goto __pyx_L0;
- 
-@@ -4495,7 +4497,7 @@ static PyObject *__pyx_f_4dnet_5route_get(PyObject *__pyx_v_self, PyObject *__py
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1134 */
--    __pyx_2 = PyString_FromString(addr_ntoa((&__pyx_v_entry.route_gw))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1134; goto __pyx_L1;}
-+    __pyx_2 = PyBytes_FromString(addr_ntoa((&__pyx_v_entry.route_gw))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1134; goto __pyx_L1;}
-     __pyx_3 = PyTuple_New(1); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1134; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_3, 0, __pyx_2);
-     __pyx_2 = 0;
-@@ -4553,7 +4555,7 @@ static PyObject *__pyx_f_4dnet_5route_loop(PyObject *__pyx_v_self, PyObject *__p
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1148 */
--  __pyx_1 = PyInt_FromLong(route_loop(((struct __pyx_obj_4dnet_route *)__pyx_v_self)->route,__pyx_f_4dnet___route_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1148; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(route_loop(((struct __pyx_obj_4dnet_route *)__pyx_v_self)->route,__pyx_f_4dnet___route_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1148; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -4676,17 +4678,17 @@ static PyObject *__pyx_f_4dnet_rule_to_dict(struct fw_rule (*__pyx_v_rule)) {
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1191 */
--  __pyx_1 = PyString_FromString(__pyx_v_rule->fw_device); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1191; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromString(__pyx_v_rule->fw_device); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1191; goto __pyx_L1;}
-   if (PyObject_SetItem(__pyx_v_d, __pyx_n_device, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1191; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1192 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_rule->fw_op); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1192; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_rule->fw_op); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1192; goto __pyx_L1;}
-   if (PyObject_SetItem(__pyx_v_d, __pyx_n_op, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1192; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1193 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_rule->fw_dir); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1193; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_rule->fw_dir); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1193; goto __pyx_L1;}
-   if (PyObject_SetItem(__pyx_v_d, __pyx_n_dir, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1193; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-@@ -4695,7 +4697,7 @@ static PyObject *__pyx_f_4dnet_rule_to_dict(struct fw_rule (*__pyx_v_rule)) {
-   if (__pyx_2) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1195 */
--    __pyx_1 = PyInt_FromLong(__pyx_v_rule->fw_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1195; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong(__pyx_v_rule->fw_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1195; goto __pyx_L1;}
-     if (PyObject_SetItem(__pyx_v_d, __pyx_n_proto, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1195; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     goto __pyx_L2;
-@@ -4703,16 +4705,16 @@ static PyObject *__pyx_f_4dnet_rule_to_dict(struct fw_rule (*__pyx_v_rule)) {
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1196 */
--  __pyx_1 = PyInt_FromLong(__pyx_v_rule->fw_src.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1196; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(__pyx_v_rule->fw_src.addr_type); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1196; goto __pyx_L1;}
-   __pyx_3 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_NONE); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1196; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_1, __pyx_3, &__pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1196; goto __pyx_L1;}
-+  if (__pyx_2 = PyObject_RichCompareBool(__pyx_1, __pyx_3, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1196; goto __pyx_L1;}
-   __pyx_2 = __pyx_2 != 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
-   if (__pyx_2) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1197 */
--    __pyx_1 = PyString_FromString(addr_ntoa((&__pyx_v_rule->fw_src))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1197; goto __pyx_L1;}
-+    __pyx_1 = PyBytes_FromString(addr_ntoa((&__pyx_v_rule->fw_src))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1197; goto __pyx_L1;}
-     __pyx_3 = PyTuple_New(1); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1197; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_3, 0, __pyx_1);
-     __pyx_1 = 0;
-@@ -4725,16 +4727,16 @@ static PyObject *__pyx_f_4dnet_rule_to_dict(struct fw_rule (*__pyx_v_rule)) {
-   __pyx_L3:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1198 */
--  __pyx_3 = PyInt_FromLong(__pyx_v_rule->fw_dst.addr_type); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1198; goto __pyx_L1;}
-+  __pyx_3 = PyLong_FromLong(__pyx_v_rule->fw_dst.addr_type); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1198; goto __pyx_L1;}
-   __pyx_1 = __Pyx_GetName(__pyx_m, __pyx_n_ADDR_TYPE_NONE); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1198; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_3, __pyx_1, &__pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1198; goto __pyx_L1;}
-+  if (__pyx_2 = PyObject_RichCompareBool(__pyx_3, __pyx_1, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1198; goto __pyx_L1;}
-   __pyx_2 = __pyx_2 != 0;
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   if (__pyx_2) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1199 */
--    __pyx_3 = PyString_FromString(addr_ntoa((&__pyx_v_rule->fw_dst))); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1199; goto __pyx_L1;}
-+    __pyx_3 = PyBytes_FromString(addr_ntoa((&__pyx_v_rule->fw_dst))); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1199; goto __pyx_L1;}
-     __pyx_1 = PyTuple_New(1); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1199; goto __pyx_L1;}
-     PyTuple_SET_ITEM(__pyx_1, 0, __pyx_3);
-     __pyx_3 = 0;
-@@ -4755,8 +4757,8 @@ static PyObject *__pyx_f_4dnet_rule_to_dict(struct fw_rule (*__pyx_v_rule)) {
-   if (__pyx_4) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1201 */
--    __pyx_1 = PyInt_FromLong((__pyx_v_rule->fw_sport[0])); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1201; goto __pyx_L1;}
--    __pyx_3 = PyInt_FromLong((__pyx_v_rule->fw_sport[1])); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1201; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong((__pyx_v_rule->fw_sport[0])); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1201; goto __pyx_L1;}
-+    __pyx_3 = PyLong_FromLong((__pyx_v_rule->fw_sport[1])); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1201; goto __pyx_L1;}
-     __pyx_5 = PyList_New(2); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1201; goto __pyx_L1;}
-     PyList_SET_ITEM(__pyx_5, 0, __pyx_1);
-     PyList_SET_ITEM(__pyx_5, 1, __pyx_3);
-@@ -4777,8 +4779,8 @@ static PyObject *__pyx_f_4dnet_rule_to_dict(struct fw_rule (*__pyx_v_rule)) {
-   if (__pyx_4) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1203 */
--    __pyx_1 = PyInt_FromLong((__pyx_v_rule->fw_dport[0])); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1203; goto __pyx_L1;}
--    __pyx_3 = PyInt_FromLong((__pyx_v_rule->fw_dport[1])); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1203; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong((__pyx_v_rule->fw_dport[0])); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1203; goto __pyx_L1;}
-+    __pyx_3 = PyLong_FromLong((__pyx_v_rule->fw_dport[1])); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1203; goto __pyx_L1;}
-     __pyx_5 = PyList_New(2); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1203; goto __pyx_L1;}
-     PyList_SET_ITEM(__pyx_5, 0, __pyx_1);
-     PyList_SET_ITEM(__pyx_5, 1, __pyx_3);
-@@ -4827,18 +4829,18 @@ static PyObject *__pyx_f_4dnet_dict_to_rule(PyObject *__pyx_v_d,struct fw_rule (
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1208 */
--  __pyx_2 = PyString_AsString(__pyx_v_s); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1208; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_AsString(__pyx_v_s); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1208; goto __pyx_L1;}
-   strlcpy(__pyx_v_rule->fw_device,__pyx_2,16);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1209 */
-   __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_op); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1209; goto __pyx_L1;}
--  __pyx_3 = PyInt_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1209; goto __pyx_L1;}
-+  __pyx_3 = PyLong_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1209; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   __pyx_v_rule->fw_op = __pyx_3;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1210 */
-   __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_dir); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1210; goto __pyx_L1;}
--  __pyx_3 = PyInt_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1210; goto __pyx_L1;}
-+  __pyx_3 = PyLong_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1210; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   __pyx_v_rule->fw_dir = __pyx_3;
- 
-@@ -4848,21 +4850,21 @@ static PyObject *__pyx_f_4dnet_dict_to_rule(PyObject *__pyx_v_d,struct fw_rule (
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1212 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1212; goto __pyx_L1;}
--    __pyx_3 = PyInt_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1212; goto __pyx_L1;}
-+    __pyx_3 = PyLong_AsLong(__pyx_1); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1212; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     __pyx_v_rule->fw_proto = __pyx_3;
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1213 */
--    __pyx_1 = PyInt_FromLong(__pyx_v_rule->fw_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-+    __pyx_1 = PyLong_FromLong(__pyx_v_rule->fw_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-     __pyx_4 = __Pyx_GetName(__pyx_m, __pyx_n_IP_PROTO_TCP); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
--    if (PyObject_Cmp(__pyx_1, __pyx_4, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-+    if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_4, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-     __pyx_3 = __pyx_3 == 0;
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     Py_DECREF(__pyx_4); __pyx_4 = 0;
-     if (!__pyx_3) {
--      __pyx_1 = PyInt_FromLong(__pyx_v_rule->fw_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-+      __pyx_1 = PyLong_FromLong(__pyx_v_rule->fw_proto); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-       __pyx_4 = __Pyx_GetName(__pyx_m, __pyx_n_IP_PROTO_UDP); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
--      if (PyObject_Cmp(__pyx_1, __pyx_4, &__pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-+      if (__pyx_3 = PyObject_RichCompareBool(__pyx_1, __pyx_4, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; goto __pyx_L1;}
-       __pyx_3 = __pyx_3 == 0;
-       Py_DECREF(__pyx_1); __pyx_1 = 0;
-       Py_DECREF(__pyx_4); __pyx_4 = 0;
-@@ -4911,21 +4913,21 @@ static PyObject *__pyx_f_4dnet_dict_to_rule(PyObject *__pyx_v_d,struct fw_rule (
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1221 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_sport); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1221; goto __pyx_L1;}
--    __pyx_4 = PyInt_FromLong(0); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1221; goto __pyx_L1;}
-+    __pyx_4 = PyLong_FromLong(0); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1221; goto __pyx_L1;}
-     __pyx_5 = PyObject_GetItem(__pyx_1, __pyx_4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1221; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     Py_DECREF(__pyx_4); __pyx_4 = 0;
--    __pyx_3 = PyInt_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1221; goto __pyx_L1;}
-+    __pyx_3 = PyLong_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1221; goto __pyx_L1;}
-     Py_DECREF(__pyx_5); __pyx_5 = 0;
-     (__pyx_v_rule->fw_sport[0]) = __pyx_3;
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1222 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_sport); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1222; goto __pyx_L1;}
--    __pyx_4 = PyInt_FromLong(1); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1222; goto __pyx_L1;}
-+    __pyx_4 = PyLong_FromLong(1); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1222; goto __pyx_L1;}
-     __pyx_5 = PyObject_GetItem(__pyx_1, __pyx_4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1222; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     Py_DECREF(__pyx_4); __pyx_4 = 0;
--    __pyx_3 = PyInt_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1222; goto __pyx_L1;}
-+    __pyx_3 = PyLong_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1222; goto __pyx_L1;}
-     Py_DECREF(__pyx_5); __pyx_5 = 0;
-     (__pyx_v_rule->fw_sport[1]) = __pyx_3;
-     goto __pyx_L6;
-@@ -4938,21 +4940,21 @@ static PyObject *__pyx_f_4dnet_dict_to_rule(PyObject *__pyx_v_d,struct fw_rule (
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1224 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_dport); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; goto __pyx_L1;}
--    __pyx_4 = PyInt_FromLong(0); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; goto __pyx_L1;}
-+    __pyx_4 = PyLong_FromLong(0); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; goto __pyx_L1;}
-     __pyx_5 = PyObject_GetItem(__pyx_1, __pyx_4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     Py_DECREF(__pyx_4); __pyx_4 = 0;
--    __pyx_3 = PyInt_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; goto __pyx_L1;}
-+    __pyx_3 = PyLong_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; goto __pyx_L1;}
-     Py_DECREF(__pyx_5); __pyx_5 = 0;
-     (__pyx_v_rule->fw_dport[0]) = __pyx_3;
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1225 */
-     __pyx_1 = PyObject_GetItem(__pyx_v_d, __pyx_n_dport); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1225; goto __pyx_L1;}
--    __pyx_4 = PyInt_FromLong(1); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1225; goto __pyx_L1;}
-+    __pyx_4 = PyLong_FromLong(1); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1225; goto __pyx_L1;}
-     __pyx_5 = PyObject_GetItem(__pyx_1, __pyx_4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1225; goto __pyx_L1;}
-     Py_DECREF(__pyx_1); __pyx_1 = 0;
-     Py_DECREF(__pyx_4); __pyx_4 = 0;
--    __pyx_3 = PyInt_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1225; goto __pyx_L1;}
-+    __pyx_3 = PyLong_AsLong(__pyx_5); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1225; goto __pyx_L1;}
-     Py_DECREF(__pyx_5); __pyx_5 = 0;
-     (__pyx_v_rule->fw_dport[1]) = __pyx_3;
-     goto __pyx_L7;
-@@ -5020,7 +5022,7 @@ static int __pyx_f_4dnet___fw_callback(struct fw_rule (*__pyx_v_rule),void (*__p
-   if (__pyx_5) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1231 */
--    __pyx_2 = PyInt_FromLong(0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1231; goto __pyx_L1;}
-+    __pyx_2 = PyLong_FromLong(0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1231; goto __pyx_L1;}
-     Py_DECREF(__pyx_v_ret);
-     __pyx_v_ret = __pyx_2;
-     __pyx_2 = 0;
-@@ -5029,7 +5031,7 @@ static int __pyx_f_4dnet___fw_callback(struct fw_rule (*__pyx_v_rule),void (*__p
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1232 */
--  __pyx_4 = PyInt_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1232; goto __pyx_L1;}
-+  __pyx_4 = PyLong_AsLong(__pyx_v_ret); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1232; goto __pyx_L1;}
-   __pyx_r = __pyx_4;
-   goto __pyx_L0;
- 
-@@ -5089,7 +5091,7 @@ static int __pyx_f_4dnet_2fw___init__(PyObject *__pyx_v_self, PyObject *__pyx_ar
- }
- 
- static PyObject *__pyx_f_4dnet_2fw_add(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
--static char __pyx_doc_4dnet_2fw_add[] = "Add a firewall rule specified as a dict.\n\n        Dict values:\n        device -- interface name			(string)\n        op     -- operation (FW_OP_*)			(integer)\n        dir    -- direction (FW_DIR_*)			(integer)\n        proto  -- IP protocol (IP_PROTO_*)		(integer)\n        src    -- source address / net			(addr object)\n        dst    -- destination address / net		(addr object)\n        sport  -- source port range or ICMP type/mask	(list of 2 integers)\n        dport  -- dest port range or ICMP code/mask	(list of 2 integers)\n        ";
-+static char __pyx_doc_4dnet_2fw_add[] = "Add a firewall rule specified as a dict.\n\n        Dict values:\n        device -- interface name     (string)\n        op     -- operation (FW_OP_*)     (integer)\n        dir    -- direction (FW_DIR_*)     (integer)\n        proto  -- IP protocol (IP_PROTO_*)   (integer)\n        src    -- source address / net     (addr object)\n        dst    -- destination address / net    (addr object)\n        sport  -- source port range or ICMP type/mask  (list of 2 integers)\n        dport  -- dest port range or ICMP code/mask (list of 2 integers)\n        ";
- static PyObject *__pyx_f_4dnet_2fw_add(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
-   PyObject *__pyx_v_d = 0;
-   struct fw_rule __pyx_v_rule;
-@@ -5213,7 +5215,7 @@ static PyObject *__pyx_f_4dnet_2fw_loop(PyObject *__pyx_v_self, PyObject *__pyx_
-   __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1284 */
--  __pyx_1 = PyInt_FromLong(fw_loop(((struct __pyx_obj_4dnet_fw *)__pyx_v_self)->fw,__pyx_f_4dnet___fw_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1284; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(fw_loop(((struct __pyx_obj_4dnet_fw *)__pyx_v_self)->fw,__pyx_f_4dnet___fw_callback,((void (*))__pyx_v__arg))); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1284; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -5366,19 +5368,19 @@ static PyObject *__pyx_f_4dnet_4rand_get(PyObject *__pyx_v_self, PyObject *__pyx
-   __pyx_v_s = Py_None; Py_INCREF(Py_None);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1334 */
--  __pyx_1 = PyInt_FromLong(1024); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1334; goto __pyx_L1;}
--  if (PyObject_Cmp(__pyx_v_len, __pyx_1, &__pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1334; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(1024); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1334; goto __pyx_L1;}
-+  if (__pyx_2 = PyObject_RichCompareBool(__pyx_v_len, __pyx_1, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1334; goto __pyx_L1;}
-   __pyx_2 = __pyx_2 <= 0;
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
-   if (__pyx_2) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1335 */
--    __pyx_2 = PyInt_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1335; goto __pyx_L1;}
-+    __pyx_2 = PyLong_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1335; goto __pyx_L1;}
-     rand_get(((struct __pyx_obj_4dnet_rand *)__pyx_v_self)->rand,__pyx_v_buf,__pyx_2);
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1336 */
--    __pyx_2 = PyInt_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1336; goto __pyx_L1;}
--    __pyx_1 = PyString_FromStringAndSize(__pyx_v_buf,__pyx_2); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1336; goto __pyx_L1;}
-+    __pyx_2 = PyLong_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1336; goto __pyx_L1;}
-+    __pyx_1 = PyBytes_FromStringAndSize(__pyx_v_buf,__pyx_2); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1336; goto __pyx_L1;}
-     __pyx_r = __pyx_1;
-     __pyx_1 = 0;
-     goto __pyx_L0;
-@@ -5387,16 +5389,16 @@ static PyObject *__pyx_f_4dnet_4rand_get(PyObject *__pyx_v_self, PyObject *__pyx
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1337 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1337; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1337; goto __pyx_L1;}
-   __pyx_v_p = malloc(__pyx_2);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1338 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1338; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1338; goto __pyx_L1;}
-   rand_get(((struct __pyx_obj_4dnet_rand *)__pyx_v_self)->rand,__pyx_v_p,__pyx_2);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1339 */
--  __pyx_2 = PyInt_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1339; goto __pyx_L1;}
--  __pyx_1 = PyString_FromStringAndSize(__pyx_v_p,__pyx_2); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1339; goto __pyx_L1;}
-+  __pyx_2 = PyLong_AsLong(__pyx_v_len); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1339; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromStringAndSize(__pyx_v_p,__pyx_2); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1339; goto __pyx_L1;}
-   Py_DECREF(__pyx_v_s);
-   __pyx_v_s = __pyx_1;
-   __pyx_1 = 0;
-@@ -5434,8 +5436,8 @@ static PyObject *__pyx_f_4dnet_4rand_set(PyObject *__pyx_v_self, PyObject *__pyx
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1349 */
--  __pyx_1 = PyString_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1349; goto __pyx_L1;}
--  rand_set(((struct __pyx_obj_4dnet_rand *)__pyx_v_self)->rand,__pyx_1,PyString_Size(__pyx_v_buf));
-+  __pyx_1 = PyBytes_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1349; goto __pyx_L1;}
-+  rand_set(((struct __pyx_obj_4dnet_rand *)__pyx_v_self)->rand,__pyx_1,PyBytes_Size(__pyx_v_buf));
- 
-   __pyx_r = Py_None; Py_INCREF(Py_None);
-   goto __pyx_L0;
-@@ -5460,8 +5462,8 @@ static PyObject *__pyx_f_4dnet_4rand_add(PyObject *__pyx_v_self, PyObject *__pyx
-   Py_INCREF(__pyx_v_buf);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1357 */
--  __pyx_1 = PyString_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1357; goto __pyx_L1;}
--  rand_add(((struct __pyx_obj_4dnet_rand *)__pyx_v_self)->rand,__pyx_1,PyString_Size(__pyx_v_buf));
-+  __pyx_1 = PyBytes_AsString(__pyx_v_buf); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1357; goto __pyx_L1;}
-+  rand_add(((struct __pyx_obj_4dnet_rand *)__pyx_v_self)->rand,__pyx_1,PyBytes_Size(__pyx_v_buf));
- 
-   __pyx_r = Py_None; Py_INCREF(Py_None);
-   goto __pyx_L0;
-@@ -5569,12 +5571,12 @@ static PyObject *__pyx_f_4dnet_4rand_xrange(PyObject *__pyx_v_self, PyObject *__
-   Py_INCREF(__pyx_v_stop);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1377 */
--  if (PyObject_Cmp(__pyx_v_stop, Py_None, &__pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1377; goto __pyx_L1;}
-+  if (__pyx_1 = PyObject_RichCompareBool(__pyx_v_stop, Py_None, Py_EQ) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1377; goto __pyx_L1;}
-   __pyx_1 = __pyx_1 == 0;
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1378 */
--    __pyx_2 = PyInt_FromLong(0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1378; goto __pyx_L1;}
-+    __pyx_2 = PyLong_FromLong(0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1378; goto __pyx_L1;}
-     __pyx_3 = PyTuple_New(3); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1378; goto __pyx_L1;}
-     Py_INCREF(__pyx_v_self);
-     PyTuple_SET_ITEM(__pyx_3, 0, __pyx_v_self);
-@@ -5669,11 +5671,11 @@ static int __pyx_f_4dnet_13__rand_xrange___init__(PyObject *__pyx_v_self, PyObje
-   ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->rand = ((struct __pyx_obj_4dnet_rand *)__pyx_v_r)->rand;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1403 */
--  __pyx_1 = PyInt_Check(__pyx_v_start);
-+  __pyx_1 = PyLong_Check(__pyx_v_start);
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1404 */
--    ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->start = PyInt_AsLong(__pyx_v_start);
-+    ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->start = PyLong_AsLong(__pyx_v_start);
-     goto __pyx_L2;
-   }
-   __pyx_1 = PyLong_Check(__pyx_v_start);
-@@ -5694,11 +5696,11 @@ static int __pyx_f_4dnet_13__rand_xrange___init__(PyObject *__pyx_v_self, PyObje
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1410 */
--  __pyx_1 = PyInt_Check(__pyx_v_start);
-+  __pyx_1 = PyLong_Check(__pyx_v_start);
-   if (__pyx_1) {
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1411 */
--    ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->max = (PyInt_AsLong(__pyx_v_stop) - ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->start);
-+    ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->max = (PyLong_AsLong(__pyx_v_stop) - ((struct __pyx_obj_4dnet___rand_xrange *)__pyx_v_self)->start);
-     goto __pyx_L3;
-   }
-   __pyx_1 = PyLong_Check(__pyx_v_start);
-@@ -5866,7 +5868,7 @@ static PyObject *__pyx_f_4dnet_13__rand_xrange___next__(PyObject *__pyx_v_self)
- 
-     /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1453 */
-     for (__pyx_3 = 0+1; __pyx_3 < __pyx_e_4dnet_TEAROUNDS; ++__pyx_3) {
--      __pyx_2 = PyInt_FromLong(__pyx_3); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1453; goto __pyx_L1;}
-+      __pyx_2 = PyLong_FromLong(__pyx_3); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1453; goto __pyx_L1;}
-       Py_DECREF(__pyx_v_i);
-       __pyx_v_i = __pyx_2;
-       __pyx_2 = 0;
-@@ -5939,11 +5941,11 @@ static int __pyx_f_4dnet_3tun___init__(PyObject *__pyx_v_self, PyObject *__pyx_a
-   if (!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_dst), __pyx_ptype_4dnet_addr, 1, "dst")) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1490; goto __pyx_L1;}
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1491 */
--  __pyx_1 = PyInt_AsLong(__pyx_v_mtu); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1491; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsLong(__pyx_v_mtu); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1491; goto __pyx_L1;}
-   ((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun = tun_open((&__pyx_v_src->_addr),(&__pyx_v_dst->_addr),__pyx_1);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1492 */
--  __pyx_1 = PyInt_AsLong(__pyx_v_mtu); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1492; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsLong(__pyx_v_mtu); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1492; goto __pyx_L1;}
-   ((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->mtu = __pyx_1;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1493 */
-@@ -5962,7 +5964,7 @@ static int __pyx_f_4dnet_3tun___init__(PyObject *__pyx_v_self, PyObject *__pyx_a
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1495 */
--  __pyx_1 = PyInt_AsLong(__pyx_v_mtu); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1495; goto __pyx_L1;}
-+  __pyx_1 = PyLong_AsLong(__pyx_v_mtu); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1495; goto __pyx_L1;}
-   ((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->buf = malloc(__pyx_1);
- 
-   __pyx_r = 0;
-@@ -5987,7 +5989,7 @@ static PyObject *__pyx_f_4dnet_3tun_4name___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1500 */
--  __pyx_1 = PyString_FromString(tun_name(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1500; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromString(tun_name(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1500; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -6010,7 +6012,7 @@ static PyObject *__pyx_f_4dnet_3tun_2fd___get__(PyObject *__pyx_v_self) {
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1505 */
--  __pyx_1 = PyInt_FromLong(tun_fileno(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1505; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(tun_fileno(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1505; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -6036,7 +6038,7 @@ static PyObject *__pyx_f_4dnet_3tun_fileno(PyObject *__pyx_v_self, PyObject *__p
-   Py_INCREF(__pyx_v_self);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1509 */
--  __pyx_1 = PyInt_FromLong(tun_fileno(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1509; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(tun_fileno(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun)); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1509; goto __pyx_L1;}
-   __pyx_r = __pyx_1;
-   __pyx_1 = 0;
-   goto __pyx_L0;
-@@ -6065,8 +6067,8 @@ static PyObject *__pyx_f_4dnet_3tun_send(PyObject *__pyx_v_self, PyObject *__pyx
-   Py_INCREF(__pyx_v_pkt);
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1518 */
--  __pyx_1 = PyString_AsString(__pyx_v_pkt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1518; goto __pyx_L1;}
--  __pyx_2 = PyInt_FromLong(tun_send(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun,__pyx_1,PyString_Size(__pyx_v_pkt))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1518; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_AsString(__pyx_v_pkt); if (PyErr_Occurred()) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1518; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(tun_send(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->tun,__pyx_1,PyBytes_Size(__pyx_v_pkt))); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1518; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -6114,7 +6116,7 @@ static PyObject *__pyx_f_4dnet_3tun_recv(PyObject *__pyx_v_self, PyObject *__pyx
-   __pyx_L2:;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1526 */
--  __pyx_2 = PyString_FromStringAndSize(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->buf,__pyx_v_n); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1526; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromStringAndSize(((struct __pyx_obj_4dnet_tun *)__pyx_v_self)->buf,__pyx_v_n); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1526; goto __pyx_L1;}
-   __pyx_r = __pyx_2;
-   __pyx_2 = 0;
-   goto __pyx_L0;
-@@ -6503,8 +6505,7 @@ static PyBufferProcs __pyx_tp_as_buffer_eth = {
- };
- 
- PyTypeObject __pyx_type_4dnet_eth = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.eth", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_eth), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -6655,8 +6656,7 @@ static PyBufferProcs __pyx_tp_as_buffer_ip = {
- };
- 
- PyTypeObject __pyx_type_4dnet_ip = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.ip", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_ip), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -6884,8 +6884,7 @@ static PyBufferProcs __pyx_tp_as_buffer_addr = {
- };
- 
- PyTypeObject __pyx_type_4dnet_addr = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.addr", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_addr), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7026,8 +7025,7 @@ static PyBufferProcs __pyx_tp_as_buffer___addr_ip4_iter = {
- };
- 
- PyTypeObject __pyx_type_4dnet___addr_ip4_iter = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.__addr_ip4_iter", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet___addr_ip4_iter), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7181,8 +7179,7 @@ static PyBufferProcs __pyx_tp_as_buffer_arp = {
- };
- 
- PyTypeObject __pyx_type_4dnet_arp = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.arp", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_arp), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7337,8 +7334,7 @@ static PyBufferProcs __pyx_tp_as_buffer_intf = {
- };
- 
- PyTypeObject __pyx_type_4dnet_intf = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.intf", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_intf), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7492,8 +7488,7 @@ static PyBufferProcs __pyx_tp_as_buffer_route = {
- };
- 
- PyTypeObject __pyx_type_4dnet_route = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.route", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_route), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7646,8 +7641,7 @@ static PyBufferProcs __pyx_tp_as_buffer_fw = {
- };
- 
- PyTypeObject __pyx_type_4dnet_fw = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.fw", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_fw), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7804,8 +7798,7 @@ static PyBufferProcs __pyx_tp_as_buffer_rand = {
- };
- 
- PyTypeObject __pyx_type_4dnet_rand = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.rand", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_rand), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -7946,8 +7939,7 @@ static PyBufferProcs __pyx_tp_as_buffer___rand_xrange = {
- };
- 
- PyTypeObject __pyx_type_4dnet___rand_xrange = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.__rand_xrange", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet___rand_xrange), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -8115,8 +8107,7 @@ static PyBufferProcs __pyx_tp_as_buffer_tun = {
- };
- 
- PyTypeObject __pyx_type_4dnet_tun = {
--  PyObject_HEAD_INIT(0)
--  0, /*ob_size*/
-+  PyVarObject_HEAD_INIT(0, 0) /*ob_size*/
-   "dnet.tun", /*tp_name*/
-   sizeof(struct __pyx_obj_4dnet_tun), /*tp_basicsize*/
-   0, /*tp_itemsize*/
-@@ -8186,9 +8177,20 @@ static struct PyMethodDef __pyx_methods[] = {
- };
- 
- static void __pyx_init_filenames(void); /*proto*/
--
--PyMODINIT_FUNC initdnet(void); /*proto*/
--PyMODINIT_FUNC initdnet(void) {
-+static struct PyModuleDef dnet = {
-+        PyModuleDef_HEAD_INIT,
-+        "dnet",     /* m_name */
-+        __pyx_mdoc,  /* m_doc */
-+        -1,                  /* m_size */
-+        __pyx_methods,    /* m_methods */
-+        NULL,                /* m_reload */
-+        NULL,                /* m_traverse */
-+        NULL,                /* m_clear */
-+        NULL,                /* m_free */
-+    };
-+
-+PyMODINIT_FUNC PyInit_dnet(void); /*proto*/
-+PyMODINIT_FUNC PyInit_dnet(void) {
-   PyObject *__pyx_1 = 0;
-   PyObject *__pyx_2 = 0;
-   PyObject *__pyx_3 = 0;
-@@ -8221,7 +8223,7 @@ PyMODINIT_FUNC initdnet(void) {
-   PyObject *__pyx_30 = 0;
-   PyObject *__pyx_31 = 0;
-   __pyx_init_filenames();
--  __pyx_m = Py_InitModule4("dnet", __pyx_methods, __pyx_mdoc, 0, PYTHON_API_VERSION);
-+  __pyx_m = PyModule_Create2(&dnet,PYTHON_API_VERSION);
-   if (!__pyx_m) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 6; goto __pyx_L1;};
-   __pyx_b = PyImport_AddModule("__builtin__");
-   if (!__pyx_b) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 6; goto __pyx_L1;};
-@@ -8278,37 +8280,37 @@ PyMODINIT_FUNC initdnet(void) {
-   if (PyObject_SetAttr(__pyx_m, __pyx_n___version__, __pyx_k13p) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 19; goto __pyx_L1;}
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":75 */
--  __pyx_1 = PyInt_FromLong(6); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(6); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_ADDR_LEN, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 75; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":76 */
--  __pyx_1 = PyInt_FromLong(48); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(48); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_ADDR_BITS, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 76; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":77 */
--  __pyx_1 = PyInt_FromLong(2); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(2); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_LEN, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 77; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":78 */
--  __pyx_1 = PyInt_FromLong(4); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(4); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_CRC_LEN, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 78; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":79 */
--  __pyx_1 = PyInt_FromLong(14); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 79; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(14); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 79; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_HDR_LEN, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 79; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":81 */
--  __pyx_1 = PyInt_FromLong(64); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 81; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(64); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 81; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_LEN_MIN, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 81; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":82 */
--  __pyx_1 = PyInt_FromLong(1518); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(1518); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_LEN_MAX, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-@@ -8339,67 +8341,67 @@ PyMODINIT_FUNC initdnet(void) {
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":87 */
--  __pyx_2 = PyInt_FromLong(512); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 87; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(512); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 87; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_PUP, __pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 87; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":88 */
--  __pyx_3 = PyInt_FromLong(2048); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; goto __pyx_L1;}
-+  __pyx_3 = PyLong_FromLong(2048); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_IP, __pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 88; goto __pyx_L1;}
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":89 */
--  __pyx_1 = PyInt_FromLong(2054); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(2054); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_ARP, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 89; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":90 */
--  __pyx_2 = PyInt_FromLong(32821); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(32821); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_REVARP, __pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":91 */
--  __pyx_3 = PyInt_FromLong(33024); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; goto __pyx_L1;}
-+  __pyx_3 = PyLong_FromLong(33024); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_8021Q, __pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; goto __pyx_L1;}
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":92 */
--  __pyx_1 = PyInt_FromLong(34525); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(34525); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_IPV6, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 92; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":93 */
--  __pyx_2 = PyInt_FromLong(34887); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 93; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(34887); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 93; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_MPLS, __pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 93; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":94 */
--  __pyx_3 = PyInt_FromLong(34888); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; goto __pyx_L1;}
-+  __pyx_3 = PyLong_FromLong(34888); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_MPLS_MCAST, __pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; goto __pyx_L1;}
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":95 */
--  __pyx_1 = PyInt_FromLong(34915); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; goto __pyx_L1;}
-+  __pyx_1 = PyLong_FromLong(34915); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_PPPOEDISC, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":96 */
--  __pyx_2 = PyInt_FromLong(34916); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 96; goto __pyx_L1;}
-+  __pyx_2 = PyLong_FromLong(34916); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 96; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_PPPOE, __pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 96; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":97 */
--  __pyx_3 = PyInt_FromLong(36864); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 97; goto __pyx_L1;}
-+  __pyx_3 = PyLong_FromLong(36864); if (!__pyx_3) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 97; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_TYPE_LOOPBACK, __pyx_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 97; goto __pyx_L1;}
-   Py_DECREF(__pyx_3); __pyx_3 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":99 */
--  __pyx_1 = PyString_FromStringAndSize(__pyx_k14,6); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; goto __pyx_L1;}
-+  __pyx_1 = PyBytes_FromStringAndSize(__pyx_k14,6); if (!__pyx_1) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_ADDR_UNSPEC, __pyx_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 99; goto __pyx_L1;}
-   Py_DECREF(__pyx_1); __pyx_1 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":100 */
--  __pyx_2 = PyString_FromStringAndSize(__pyx_k15,6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; goto __pyx_L1;}
-+  __pyx_2 = PyBytes_FromStringAndSize(__pyx_k15,6); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ETH_ADDR_BROADCAST, __pyx_2) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; goto __pyx_L1;}
-   Py_DECREF(__pyx_2); __pyx_2 = 0;
- 
-@@ -8415,27 +8417,27 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_2 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":199 */
--  __pyx_4 = PyInt_FromLong(4); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(4); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; goto __pyx_L1;}
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-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":200 */
--  __pyx_4 = PyInt_FromLong(32); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(32); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_ADDR_BITS, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; goto __pyx_L1;}
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-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":202 */
--  __pyx_4 = PyInt_FromLong(20); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 202; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(20); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 202; goto __pyx_L1;}
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-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":203 */
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-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":204 */
--  __pyx_4 = PyInt_FromLong(40); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 204; goto __pyx_L1;}
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-@@ -8449,7 +8451,7 @@ PyMODINIT_FUNC initdnet(void) {
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- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":207 */
--  __pyx_4 = PyInt_FromLong(65535); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 207; goto __pyx_L1;}
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-@@ -8459,92 +8461,92 @@ PyMODINIT_FUNC initdnet(void) {
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- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":210 */
--  __pyx_6 = PyInt_FromLong(0); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(0); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_TOS_DEFAULT, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; goto __pyx_L1;}
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- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":212 */
--  __pyx_4 = PyInt_FromLong(32768); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(32768); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_RF, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":213 */
--  __pyx_5 = PyInt_FromLong(16384); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 213; goto __pyx_L1;}
-+  __pyx_5 = PyLong_FromLong(16384); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 213; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_DF, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 213; goto __pyx_L1;}
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- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":214 */
--  __pyx_6 = PyInt_FromLong(8192); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(8192); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_MF, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":215 */
--  __pyx_4 = PyInt_FromLong(8191); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 215; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(8191); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 215; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_OFFMASK, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 215; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":217 */
--  __pyx_5 = PyInt_FromLong(64); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 217; goto __pyx_L1;}
-+  __pyx_5 = PyLong_FromLong(64); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 217; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_TTL_DEFAULT, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 217; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":218 */
--  __pyx_6 = PyInt_FromLong(255); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 218; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(255); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 218; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_TTL_MAX, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 218; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":220 */
--  __pyx_4 = PyInt_FromLong(0); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 220; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(0); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 220; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_IP, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 220; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":221 */
--  __pyx_5 = PyInt_FromLong(1); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 221; goto __pyx_L1;}
-+  __pyx_5 = PyLong_FromLong(1); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 221; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_ICMP, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 221; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":222 */
--  __pyx_6 = PyInt_FromLong(2); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(2); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_IGMP, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":223 */
--  __pyx_4 = PyInt_FromLong(6); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 223; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(6); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 223; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_TCP, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 223; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":224 */
--  __pyx_5 = PyInt_FromLong(17); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 224; goto __pyx_L1;}
-+  __pyx_5 = PyLong_FromLong(17); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 224; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_UDP, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 224; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":225 */
--  __pyx_6 = PyInt_FromLong(41); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 225; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(41); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 225; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_IPV6, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 225; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":226 */
--  __pyx_4 = PyInt_FromLong(47); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(47); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_GRE, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":227 */
--  __pyx_5 = PyInt_FromLong(50); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 227; goto __pyx_L1;}
-+  __pyx_5 = PyLong_FromLong(50); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 227; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_ESP, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 227; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":228 */
--  __pyx_6 = PyInt_FromLong(51); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 228; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(51); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 228; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_AH, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 228; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":229 */
--  __pyx_4 = PyInt_FromLong(58); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 229; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(58); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 229; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_ICMPV6, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 229; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":230 */
--  __pyx_5 = PyInt_FromLong(255); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 230; goto __pyx_L1;}
-+  __pyx_5 = PyLong_FromLong(255); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 230; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_RAW, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 230; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-@@ -8554,32 +8556,32 @@ PyMODINIT_FUNC initdnet(void) {
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":232 */
--  __pyx_4 = PyInt_FromLong(255); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 232; goto __pyx_L1;}
-+  __pyx_4 = PyLong_FromLong(255); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 232; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_PROTO_MAX, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 232; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":234 */
--  __pyx_5 = PyString_FromStringAndSize(__pyx_k19,4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 234; goto __pyx_L1;}
-+  __pyx_5 = PyBytes_FromStringAndSize(__pyx_k19,4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 234; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_ADDR_ANY, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 234; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":235 */
--  __pyx_6 = PyString_FromStringAndSize(__pyx_k20,4); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 235; goto __pyx_L1;}
-+  __pyx_6 = PyBytes_FromStringAndSize(__pyx_k20,4); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 235; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_ADDR_BROADCAST, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 235; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":236 */
--  __pyx_4 = PyString_FromStringAndSize(__pyx_k21,4); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; goto __pyx_L1;}
-+  __pyx_4 = PyBytes_FromStringAndSize(__pyx_k21,4); if (!__pyx_4) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_ADDR_LOOPBACK, __pyx_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; goto __pyx_L1;}
-   Py_DECREF(__pyx_4); __pyx_4 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":237 */
--  __pyx_5 = PyString_FromStringAndSize(__pyx_k22,4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; goto __pyx_L1;}
-+  __pyx_5 = PyBytes_FromStringAndSize(__pyx_k22,4); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_ADDR_MCAST_ALL, __pyx_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; goto __pyx_L1;}
-   Py_DECREF(__pyx_5); __pyx_5 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":238 */
--  __pyx_6 = PyString_FromStringAndSize(__pyx_k23,4); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 238; goto __pyx_L1;}
-+  __pyx_6 = PyBytes_FromStringAndSize(__pyx_k23,4); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 238; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP_ADDR_MCAST_LOCAL, __pyx_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 238; goto __pyx_L1;}
-   Py_DECREF(__pyx_6); __pyx_6 = 0;
- 
-@@ -8590,10 +8592,10 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_5 = __Pyx_GetName(__pyx_m, __pyx_n_IP_HDR_LEN); if (!__pyx_5) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 320; goto __pyx_L1;}
-   __pyx_k25 = __pyx_5;
-   __pyx_5 = 0;
--  __pyx_6 = PyInt_FromLong(0); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 320; goto __pyx_L1;}
-+  __pyx_6 = PyLong_FromLong(0); if (!__pyx_6) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 320; goto __pyx_L1;}
-   __pyx_k26 = __pyx_6;
-   __pyx_6 = 0;
--  __pyx_7 = PyInt_FromLong(0); if (!__pyx_7) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 320; goto __pyx_L1;}
-+  __pyx_7 = PyLong_FromLong(0); if (!__pyx_7) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 320; goto __pyx_L1;}
-   __pyx_k27 = __pyx_7;
-   __pyx_7 = 0;
-   __pyx_8 = __Pyx_GetName(__pyx_m, __pyx_n_IP_TTL_DEFAULT); if (!__pyx_8) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 321; goto __pyx_L1;}
-@@ -8610,17 +8612,17 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_11 = 0;
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-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":355 */
--  __pyx_12 = PyInt_FromLong(16); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(16); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_ADDR_LEN, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 355; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":356 */
--  __pyx_12 = PyInt_FromLong(128); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 356; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(128); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 356; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_ADDR_BITS, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 356; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":358 */
--  __pyx_12 = PyInt_FromLong(40); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 358; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(40); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 358; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_HDR_LEN, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 358; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-@@ -8630,43 +8632,43 @@ PyMODINIT_FUNC initdnet(void) {
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":360 */
--  __pyx_12 = PyInt_FromLong(65535); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 360; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(65535); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 360; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_LEN_MAX, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 360; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":362 */
--  __pyx_12 = PyInt_FromLong(1280); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 362; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(1280); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 362; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_MTU_MIN, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 362; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":364 */
--  __pyx_12 = PyInt_FromLong(64); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 364; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(64); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 364; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_HLIM_DEFAULT, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 364; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":365 */
--  __pyx_12 = PyInt_FromLong(255); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 365; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(255); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 365; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_HLIM_MAX, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 365; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":367 */
--  __pyx_12 = PyString_FromStringAndSize(__pyx_k32,16); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 367; goto __pyx_L1;}
-+  __pyx_12 = PyBytes_FromStringAndSize(__pyx_k32,16); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 367; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_ADDR_UNSPEC, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 367; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":368 */
--  __pyx_12 = PyString_FromStringAndSize(__pyx_k33,16); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 368; goto __pyx_L1;}
-+  __pyx_12 = PyBytes_FromStringAndSize(__pyx_k33,16); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 368; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_IP6_ADDR_LOOPBACK, __pyx_12) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 368; goto __pyx_L1;}
-   Py_DECREF(__pyx_12); __pyx_12 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":395 */
--  __pyx_12 = PyInt_FromLong(0); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-+  __pyx_12 = PyLong_FromLong(0); if (!__pyx_12) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-   __pyx_k34 = __pyx_12;
-   __pyx_12 = 0;
--  __pyx_13 = PyInt_FromLong(0); if (!__pyx_13) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-+  __pyx_13 = PyLong_FromLong(0); if (!__pyx_13) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-   __pyx_k35 = __pyx_13;
-   __pyx_13 = 0;
--  __pyx_14 = PyInt_FromLong(0); if (!__pyx_14) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-+  __pyx_14 = PyLong_FromLong(0); if (!__pyx_14) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-   __pyx_k36 = __pyx_14;
-   __pyx_14 = 0;
-   __pyx_15 = __Pyx_GetName(__pyx_m, __pyx_n_IP_PROTO_IPV6); if (!__pyx_15) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 395; goto __pyx_L1;}
-@@ -8683,22 +8685,22 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_18 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":431 */
--  __pyx_19 = PyInt_FromLong(0); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 431; goto __pyx_L1;}
-+  __pyx_19 = PyLong_FromLong(0); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 431; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ADDR_TYPE_NONE, __pyx_19) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 431; goto __pyx_L1;}
-   Py_DECREF(__pyx_19); __pyx_19 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":432 */
--  __pyx_19 = PyInt_FromLong(1); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 432; goto __pyx_L1;}
-+  __pyx_19 = PyLong_FromLong(1); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 432; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ADDR_TYPE_ETH, __pyx_19) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 432; goto __pyx_L1;}
-   Py_DECREF(__pyx_19); __pyx_19 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":433 */
--  __pyx_19 = PyInt_FromLong(2); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 433; goto __pyx_L1;}
-+  __pyx_19 = PyLong_FromLong(2); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 433; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ADDR_TYPE_IP, __pyx_19) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 433; goto __pyx_L1;}
-   Py_DECREF(__pyx_19); __pyx_19 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":434 */
--  __pyx_19 = PyInt_FromLong(3); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 434; goto __pyx_L1;}
-+  __pyx_19 = PyLong_FromLong(3); if (!__pyx_19) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 434; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ADDR_TYPE_IP6, __pyx_19) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 434; goto __pyx_L1;}
-   Py_DECREF(__pyx_19); __pyx_19 = 0;
- 
-@@ -8710,47 +8712,47 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_19 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":666 */
--  __pyx_20 = PyInt_FromLong(8); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 666; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(8); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 666; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_HDR_LEN, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 666; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":667 */
--  __pyx_20 = PyInt_FromLong(20); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 667; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(20); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 667; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_ETHIP_LEN, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 667; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":669 */
--  __pyx_20 = PyInt_FromLong(1); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 669; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(1); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 669; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_HRD_ETH, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 669; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":670 */
--  __pyx_20 = PyInt_FromLong(6); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 670; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(6); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 670; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_HRD_IEEE802, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 670; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":672 */
--  __pyx_20 = PyInt_FromLong(2048); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 672; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(2048); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 672; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_PRO_IP, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 672; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":674 */
--  __pyx_20 = PyInt_FromLong(1); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 674; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(1); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 674; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_OP_REQUEST, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 674; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":675 */
--  __pyx_20 = PyInt_FromLong(2); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 675; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(2); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 675; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_OP_REPLY, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 675; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":676 */
--  __pyx_20 = PyInt_FromLong(3); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 676; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(3); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 676; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_OP_REVREQUEST, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 676; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":677 */
--  __pyx_20 = PyInt_FromLong(4); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 677; goto __pyx_L1;}
-+  __pyx_20 = PyLong_FromLong(4); if (!__pyx_20) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 677; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_ARP_OP_REVREPLY, __pyx_20) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 677; goto __pyx_L1;}
-   Py_DECREF(__pyx_20); __pyx_20 = 0;
- 
-@@ -8776,200 +8778,200 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_24 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":806 */
--  __pyx_25 = PyInt_FromLong(20); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 806; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(20); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 806; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_HDR_LEN, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 806; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":808 */
--  __pyx_25 = PyInt_FromLong(1); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 808; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(1); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 808; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_FIN, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 808; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":809 */
--  __pyx_25 = PyInt_FromLong(2); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 809; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(2); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 809; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_SYN, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 809; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":810 */
--  __pyx_25 = PyInt_FromLong(4); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 810; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(4); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 810; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_RST, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 810; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":811 */
--  __pyx_25 = PyInt_FromLong(8); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 811; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(8); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 811; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_PUSH, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 811; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":812 */
--  __pyx_25 = PyInt_FromLong(16); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 812; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(16); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 812; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_ACK, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 812; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":813 */
--  __pyx_25 = PyInt_FromLong(32); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 813; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(32); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 813; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_URG, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 813; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":814 */
--  __pyx_25 = PyInt_FromLong(64); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 814; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(64); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 814; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_ECE, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 814; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":815 */
--  __pyx_25 = PyInt_FromLong(128); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 815; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(128); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 815; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TH_CWR, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 815; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":817 */
--  __pyx_25 = PyInt_FromLong(65535); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 817; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(65535); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 817; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_PORT_MAX, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 817; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":818 */
--  __pyx_25 = PyInt_FromLong(65535); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 818; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(65535); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 818; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_WIN_MAX, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 818; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":820 */
--  __pyx_25 = PyInt_FromLong(0); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 820; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(0); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 820; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_EOL, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 820; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":821 */
--  __pyx_25 = PyInt_FromLong(1); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 821; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(1); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 821; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_NOP, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 821; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":822 */
--  __pyx_25 = PyInt_FromLong(2); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 822; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(2); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 822; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_MSS, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 822; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":823 */
--  __pyx_25 = PyInt_FromLong(3); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 823; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(3); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 823; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_WSCALE, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 823; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":824 */
--  __pyx_25 = PyInt_FromLong(4); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 824; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(4); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 824; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_SACKOK, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 824; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":825 */
--  __pyx_25 = PyInt_FromLong(5); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 825; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(5); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 825; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_SACK, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 825; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":826 */
--  __pyx_25 = PyInt_FromLong(6); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 826; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(6); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 826; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_ECHO, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 826; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":827 */
--  __pyx_25 = PyInt_FromLong(7); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 827; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(7); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 827; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_ECHOREPLY, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 827; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":828 */
--  __pyx_25 = PyInt_FromLong(8); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 828; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(8); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 828; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_TIMESTAMP, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 828; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":829 */
--  __pyx_25 = PyInt_FromLong(9); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 829; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(9); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 829; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_POCONN, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 829; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":830 */
--  __pyx_25 = PyInt_FromLong(10); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 830; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(10); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 830; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_POSVC, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 830; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":831 */
--  __pyx_25 = PyInt_FromLong(11); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 831; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(11); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 831; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_CC, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 831; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":832 */
--  __pyx_25 = PyInt_FromLong(12); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 832; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(12); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 832; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_CCNEW, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 832; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":833 */
--  __pyx_25 = PyInt_FromLong(13); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 833; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(13); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 833; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_CCECHO, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 833; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":834 */
--  __pyx_25 = PyInt_FromLong(14); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 834; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(14); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 834; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_ALTSUM, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 834; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":835 */
--  __pyx_25 = PyInt_FromLong(15); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 835; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(15); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 835; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_ALTSUMDATA, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 835; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":836 */
--  __pyx_25 = PyInt_FromLong(16); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 836; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(16); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 836; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_SKEETER, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 836; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":837 */
--  __pyx_25 = PyInt_FromLong(17); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 837; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(17); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 837; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_BUBBA, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 837; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":838 */
--  __pyx_25 = PyInt_FromLong(18); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 838; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(18); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 838; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_TRAILSUM, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 838; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":839 */
--  __pyx_25 = PyInt_FromLong(19); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 839; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(19); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 839; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_MD5, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 839; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":840 */
--  __pyx_25 = PyInt_FromLong(20); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 840; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(20); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 840; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_SCPS, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 840; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":841 */
--  __pyx_25 = PyInt_FromLong(21); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 841; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(21); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 841; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_SNACK, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 841; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":842 */
--  __pyx_25 = PyInt_FromLong(22); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 842; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(22); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 842; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_REC, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 842; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":843 */
--  __pyx_25 = PyInt_FromLong(23); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 843; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(23); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 843; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_CORRUPT, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 843; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":844 */
--  __pyx_25 = PyInt_FromLong(24); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 844; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(24); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 844; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_SNAP, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 844; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":845 */
--  __pyx_25 = PyInt_FromLong(26); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 845; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(26); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 845; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_TCPCOMP, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 845; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":846 */
--  __pyx_25 = PyInt_FromLong(27); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 846; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(27); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 846; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_TCP_OPT_MAX, __pyx_25) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 846; goto __pyx_L1;}
-   Py_DECREF(__pyx_25); __pyx_25 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":848 */
--  __pyx_25 = PyInt_FromLong(1); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 848; goto __pyx_L1;}
-+  __pyx_25 = PyLong_FromLong(1); if (!__pyx_25) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 848; goto __pyx_L1;}
-   __pyx_k49 = __pyx_25;
-   __pyx_25 = 0;
--  __pyx_26 = PyInt_FromLong(0); if (!__pyx_26) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 848; goto __pyx_L1;}
-+  __pyx_26 = PyLong_FromLong(0); if (!__pyx_26) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 848; goto __pyx_L1;}
-   __pyx_k50 = __pyx_26;
-   __pyx_26 = 0;
-   __pyx_27 = __Pyx_GetName(__pyx_m, __pyx_n_TH_SYN); if (!__pyx_27) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 848; goto __pyx_L1;}
-@@ -8978,17 +8980,17 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_28 = __Pyx_GetName(__pyx_m, __pyx_n_TCP_WIN_MAX); if (!__pyx_28) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 849; goto __pyx_L1;}
-   __pyx_k52 = __pyx_28;
-   __pyx_28 = 0;
--  __pyx_29 = PyInt_FromLong(0); if (!__pyx_29) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 849; goto __pyx_L1;}
-+  __pyx_29 = PyLong_FromLong(0); if (!__pyx_29) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 849; goto __pyx_L1;}
-   __pyx_k53 = __pyx_29;
-   __pyx_29 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":871 */
--  __pyx_30 = PyInt_FromLong(8); if (!__pyx_30) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 871; goto __pyx_L1;}
-+  __pyx_30 = PyLong_FromLong(8); if (!__pyx_30) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 871; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_UDP_HDR_LEN, __pyx_30) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 871; goto __pyx_L1;}
-   Py_DECREF(__pyx_30); __pyx_30 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":872 */
--  __pyx_30 = PyInt_FromLong(65535); if (!__pyx_30) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 872; goto __pyx_L1;}
-+  __pyx_30 = PyLong_FromLong(65535); if (!__pyx_30) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 872; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_UDP_PORT_MAX, __pyx_30) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 872; goto __pyx_L1;}
-   Py_DECREF(__pyx_30); __pyx_30 = 0;
- 
-@@ -8998,52 +9000,52 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_30 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":913 */
--  __pyx_31 = PyInt_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 913; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 913; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_TYPE_OTHER, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 913; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":914 */
--  __pyx_31 = PyInt_FromLong(6); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 914; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(6); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 914; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_TYPE_ETH, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 914; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":915 */
--  __pyx_31 = PyInt_FromLong(24); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 915; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(24); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 915; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_TYPE_LOOPBACK, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 915; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":916 */
--  __pyx_31 = PyInt_FromLong(53); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 916; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(53); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 916; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_TYPE_TUN, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 916; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":918 */
--  __pyx_31 = PyInt_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 918; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 918; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_FLAG_UP, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 918; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":919 */
--  __pyx_31 = PyInt_FromLong(2); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 919; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(2); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 919; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_FLAG_LOOPBACK, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 919; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":920 */
--  __pyx_31 = PyInt_FromLong(4); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 920; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(4); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 920; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_FLAG_POINTOPOINT, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 920; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":921 */
--  __pyx_31 = PyInt_FromLong(8); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 921; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(8); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 921; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_FLAG_NOARP, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 921; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":922 */
--  __pyx_31 = PyInt_FromLong(16); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 922; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(16); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 922; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_FLAG_BROADCAST, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 922; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":923 */
--  __pyx_31 = PyInt_FromLong(32); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 923; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(32); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 923; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_INTF_FLAG_MULTICAST, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 923; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-@@ -9056,22 +9058,22 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_k56 = Py_None;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1183 */
--  __pyx_31 = PyInt_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1183; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1183; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_FW_OP_ALLOW, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1183; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1184 */
--  __pyx_31 = PyInt_FromLong(2); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1184; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(2); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1184; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_FW_OP_BLOCK, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1184; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1186 */
--  __pyx_31 = PyInt_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1186; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(1); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1186; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_FW_DIR_IN, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1186; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1187 */
--  __pyx_31 = PyInt_FromLong(2); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1187; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(2); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1187; goto __pyx_L1;}
-   if (PyObject_SetAttr(__pyx_m, __pyx_n_FW_DIR_OUT, __pyx_31) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1187; goto __pyx_L1;}
-   Py_DECREF(__pyx_31); __pyx_31 = 0;
- 
-@@ -9084,12 +9086,12 @@ PyMODINIT_FUNC initdnet(void) {
-   __pyx_k58 = Py_None;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1490 */
--  __pyx_31 = PyInt_FromLong(1500); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1490; goto __pyx_L1;}
-+  __pyx_31 = PyLong_FromLong(1500); if (!__pyx_31) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1490; goto __pyx_L1;}
-   __pyx_k59 = __pyx_31;
-   __pyx_31 = 0;
- 
-   /* "/Users/dugsong/projects/libdnet/python/dnet.pyx":1531 */
--  return;
-+  return __pyx_m;
-   __pyx_L1:;
-   Py_XDECREF(__pyx_1);
-   Py_XDECREF(__pyx_2);
-@@ -9123,6 +9125,7 @@ PyMODINIT_FUNC initdnet(void) {
-   Py_XDECREF(__pyx_30);
-   Py_XDECREF(__pyx_31);
-   __Pyx_AddTraceback("dnet");
-+  return NULL;
- }
- 
- static char *__pyx_filenames[] = {
-@@ -9182,7 +9185,7 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb) {
-         Py_INCREF(type);
-         Py_DECREF(tmp);
-     }
--    if (PyString_CheckExact(type)) {
-+    if (PyBytes_CheckExact(type)) {
-         /* Raising builtin string is deprecated but still allowed --
-          * do nothing.  Raising an instance of a new-style str
-          * subclass is right out. */
-@@ -9190,39 +9193,39 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb) {
-                    "raising a string exception is deprecated"))
-                 goto raise_error;
-     }
--    else if (PyType_Check(type) || PyClass_Check(type))
--        ; /* PyErr_NormalizeException(&type, &value, &tb); */
--    else if (PyInstance_Check(type)) {
--        /* Raising an instance.  The value should be a dummy. */
--        if (value != Py_None) {
--            PyErr_SetString(PyExc_TypeError,
--              "instance exception may not have a separate value");
--            goto raise_error;
--        }
--        else {
--            /* Normalize to raise <class>, <instance> */
--            Py_DECREF(value);
--            value = type;
--            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
--            Py_INCREF(type);
--        }
--    }
--    else if (PyType_IsSubtype(type->ob_type, (PyTypeObject*)PyExc_Exception)) {
--        /* Raising a new-style object (in Py2.5).
--           The value should be a dummy. */
--        if (value != Py_None) {
--                PyErr_SetString(PyExc_TypeError,
--                  "instance exception may not have a separate value");
--                goto raise_error;
--        }
--        else {
--                /* Normalize to raise <class>, <instance> */
--                Py_DECREF(value);
--                value = type;
--                type = (PyObject*) type->ob_type;
--                Py_INCREF(type);
--        }
--    }
-+    // else if (PyType_Check(type) || PyClass_Check(type))
-+    //     ; /* PyErr_NormalizeException(&type, &value, &tb); */
-+    // else if (PyInstance_Check(type)) {
-+    //     /* Raising an instance.  The value should be a dummy. */
-+    //     if (value != Py_None) {
-+    //         PyErr_SetString(PyExc_TypeError,
-+    //           "instance exception may not have a separate value");
-+    //         goto raise_error;
-+    //     }
-+    //     else {
-+    //         /* Normalize to raise <class>, <instance> */
-+    //         Py_DECREF(value);
-+    //         value = type;
-+    //         type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-+    //         Py_INCREF(type);
-+    //     }
-+    // }
-+    // else if (PyType_IsSubtype(type->ob_type, (PyTypeObject*)PyExc_Exception)) {
-+    //     /* Raising a new-style object (in Py2.5).
-+    //        The value should be a dummy. */
-+    //     if (value != Py_None) {
-+    //             PyErr_SetString(PyExc_TypeError,
-+    //               "instance exception may not have a separate value");
-+    //             goto raise_error;
-+    //     }
-+    //     else {
-+    //             /* Normalize to raise <class>, <instance> */
-+    //             Py_DECREF(value);
-+    //             value = type;
-+    //             type = (PyObject*) type->ob_type;
-+    //             Py_INCREF(type);
-+    //     }
-+    // }
-     else {
-         /* Not something you can raise.  You get an exception
-            anyway, just not what you specified :-) */
-@@ -9261,7 +9264,7 @@ static PyObject *__Pyx_UnpackItem(PyObject *seq, Py_ssize_t i) {
-   PyObject *item;
-   if (!(item = PySequence_GetItem(seq, i))) {
-     if (PyErr_ExceptionMatches(PyExc_IndexError))
--    	__Pyx_UnpackError();
-+      __Pyx_UnpackError();
-   }
-   return item;
- }
-@@ -9279,7 +9282,7 @@ static int __Pyx_EndUnpack(PyObject *seq, Py_ssize_t i) {
- 
- static int __Pyx_InternStrings(__Pyx_InternTabEntry *t) {
-     while (t->p) {
--        *t->p = PyString_InternFromString(t->s);
-+        *t->p = PyUnicode_InternFromString(t->s);
-         if (!*t->p)
-             return -1;
-         ++t;
-@@ -9289,7 +9292,7 @@ static int __Pyx_InternStrings(__Pyx_InternTabEntry *t) {
- 
- static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-     while (t->p) {
--        *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-+        *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-         if (!*t->p)
-             return -1;
-         ++t;
-@@ -9310,18 +9313,19 @@ static void __Pyx_AddTraceback(char *funcname) {
-     PyCodeObject *py_code = 0;
-     PyFrameObject *py_frame = 0;
-     
--    py_srcfile = PyString_FromString(__pyx_filename);
-+    py_srcfile = PyBytes_FromString(__pyx_filename);
-     if (!py_srcfile) goto bad;
--    py_funcname = PyString_FromString(funcname);
-+    py_funcname = PyBytes_FromString(funcname);
-     if (!py_funcname) goto bad;
-     py_globals = PyModule_GetDict(__pyx_m);
-     if (!py_globals) goto bad;
-     empty_tuple = PyTuple_New(0);
-     if (!empty_tuple) goto bad;
--    empty_string = PyString_FromString("");
-+    empty_string = PyBytes_FromString("");
-     if (!empty_string) goto bad;
-     py_code = PyCode_New(
-         0,            /*int argcount,*/
-+        0,            /*int kwonlyargcount*/
-         0,            /*int nlocals,*/
-         0,            /*int stacksize,*/
-         0,            /*int flags,*/
-diff --git a/python/dnet.pyx b/python/dnet.pyx
-index 777eb1f..96de5fa 100644
---- a/python/dnet.pyx
-+++ b/python/dnet.pyx
-@@ -22,12 +22,12 @@ cdef extern from "dnet.h":
-     pass
- 
- cdef extern from "Python.h":
--    object  PyString_FromStringAndSize(char *s, int len)
--    int     PyString_Size(object o)
-+    object  PyBytes_FromStringAndSize(char *s, int len)
-+    int     PyBytes_Size(object o)
-     int     PyObject_AsReadBuffer(object o, char **pp, int *lenp)
--    int     PyInt_Check(object o)
-     int     PyLong_Check(object o)
--    long    PyInt_AsLong(object o)
-+    int     PyLong_Check(object o)
-+    long    PyLong_AsLong(object o)
-     unsigned long PyLong_AsUnsignedLong(object o)
- 
- cdef extern from *:
-@@ -41,7 +41,7 @@ cdef extern from *:
-     unsigned long ntohl(unsigned long n)
- 
- cdef __memcpy(char *dst, object src, int n):
--    if PyString_Size(src) != n:
-+    if PyBytes_Size(src) != n:
-         raise ValueError, "not a %d-byte binary string: %r" % (n, src)
-     memcpy(dst, src, n)
- 
-@@ -96,8 +96,8 @@ ETH_TYPE_PPPOEDISC =	0x8863	# /* PPP Over Ethernet Discovery Stage */
- ETH_TYPE_PPPOE =	0x8864	# /* PPP Over Ethernet Session Stage */
- ETH_TYPE_LOOPBACK =	0x9000	# /* used to test interfaces */
- 
--ETH_ADDR_UNSPEC =	PyString_FromStringAndSize("\x00\x00\x00\x00\x00\x00", 6)
--ETH_ADDR_BROADCAST =	PyString_FromStringAndSize("\xff\xff\xff\xff\xff\xff", 6)
-+ETH_ADDR_UNSPEC =	PyBytes_FromStringAndSize("\x00\x00\x00\x00\x00\x00", 6)
-+ETH_ADDR_BROADCAST =	PyBytes_FromStringAndSize("\xff\xff\xff\xff\xff\xff", 6)
- 
- cdef class eth:
-     """eth(device) -> Ethernet device object
-@@ -117,7 +117,7 @@ cdef class eth:
-         cdef eth_addr_t ea
-         if eth_get(self.eth, &ea) < 0:
-             raise OSError, __oserror()
--        return PyString_FromStringAndSize(ea.data, 6)
-+        return PyBytes_FromStringAndSize(ea.data, 6)
- 
-     def set(self, value):
-         """Set the MAC address for the device, returning 0 on success,
-@@ -138,7 +138,7 @@ cdef class eth:
-         Arguments:
-         frame -- binary string representing an Ethernet frame
-         """
--        return eth_send(self.eth, frame, PyString_Size(frame))
-+        return eth_send(self.eth, frame, PyBytes_Size(frame))
-     
-     def __dealloc__(self):
-         if self.eth:
-@@ -157,7 +157,7 @@ def eth_aton(buf):
-     cdef eth_addr_t ea
-     if __eth_aton(buf, &ea) < 0:
-         raise ValueError, "invalid Ethernet address"
--    return PyString_FromStringAndSize(ea.data, 6)
-+    return PyBytes_FromStringAndSize(ea.data, 6)
- 
- def eth_pack_hdr(dst=ETH_ADDR_BROADCAST, src=ETH_ADDR_BROADCAST,
-                  type=ETH_TYPE_IP):
-@@ -173,7 +173,7 @@ def eth_pack_hdr(dst=ETH_ADDR_BROADCAST, src=ETH_ADDR_BROADCAST,
-     __memcpy(s.data, src, 6)
-     __memcpy(d.data, dst, 6)
-     __eth_pack_hdr(hdr, d, s, type)
--    return PyString_FromStringAndSize(hdr, 14)
-+    return PyBytes_FromStringAndSize(hdr, 14)
- 
- #
- # ip.h
-@@ -231,11 +231,11 @@ IP_PROTO_RAW =		255		# /* Raw IP packets */
- IP_PROTO_RESERVED =	IP_PROTO_RAW	# /* Reserved */
- IP_PROTO_MAX =		255
- 
--IP_ADDR_ANY =		PyString_FromStringAndSize("\x00\x00\x00\x00", 4)
--IP_ADDR_BROADCAST =	PyString_FromStringAndSize("\xff\xff\xff\xff", 4)
--IP_ADDR_LOOPBACK =	PyString_FromStringAndSize("\x7f\x00\x00\x01", 4)
--IP_ADDR_MCAST_ALL =	PyString_FromStringAndSize("\xe0\x00\x00\x01", 4)
--IP_ADDR_MCAST_LOCAL =	PyString_FromStringAndSize("\xe0\x00\x00\xff", 4)
-+IP_ADDR_ANY =		PyBytes_FromStringAndSize("\x00\x00\x00\x00", 4)
-+IP_ADDR_BROADCAST =	PyBytes_FromStringAndSize("\xff\xff\xff\xff", 4)
-+IP_ADDR_LOOPBACK =	PyBytes_FromStringAndSize("\x7f\x00\x00\x01", 4)
-+IP_ADDR_MCAST_ALL =	PyBytes_FromStringAndSize("\xe0\x00\x00\x01", 4)
-+IP_ADDR_MCAST_LOCAL =	PyBytes_FromStringAndSize("\xe0\x00\x00\xff", 4)
- 
- cdef class ip:
-     """ip() -> Raw IP object
-@@ -256,7 +256,7 @@ cdef class ip:
-         Arguments:
-         pkt -- binary string representing an IP packet
-         """
--        return ip_send(self.ip, pkt, PyString_Size(pkt))
-+        return ip_send(self.ip, pkt, PyBytes_Size(pkt))
- 
-     def __dealloc__(self):
-         if self.ip:
-@@ -268,7 +268,7 @@ def ip_ntoa(buf):
-     cdef ip_addr_t ia
-     cdef unsigned int i
- 
--    if PyInt_Check(buf) or PyLong_Check(buf):
-+    if PyLong_Check(buf) or PyLong_Check(buf):
-         i = ntohl(buf)
-         memcpy(<char *>&ia, <char *>&i, 4)
-     else:
-@@ -281,7 +281,7 @@ def ip_aton(buf):
-     cdef ip_addr_t ia
-     if __ip_aton(buf, &ia) < 0:
-         raise ValueError, "invalid IP address"
--    return PyString_FromStringAndSize(<char *>&ia, 4)
-+    return PyBytes_FromStringAndSize(<char *>&ia, 4)
- 
- def ip_checksum(pkt):
-     """Return packed binary string representing an IP packet 
-@@ -297,11 +297,11 @@ def ip_checksum(pkt):
-         if n < 2048:
-             memcpy(buf, p, n)
-             __ip_checksum(buf, n)
--            return PyString_FromStringAndSize(buf, n)
-+            return PyBytes_FromStringAndSize(buf, n)
-         p = malloc(n)
-         memcpy(p, pkt, n)
-         __ip_checksum(p, n)
--        s = PyString_FromStringAndSize(p, n)
-+        s = PyBytes_FromStringAndSize(p, n)
-         free(p)
-         return s
-     raise TypeError
-@@ -337,7 +337,7 @@ def ip_pack_hdr(tos=IP_TOS_DEFAULT, len=IP_HDR_LEN, id=0, off=0,
-     __memcpy(<char *>&s, src, 4)
-     __memcpy(<char *>&d, dst, 4)
-     __ip_pack_hdr(hdr, tos, len, id, off, ttl, p, s, d)
--    return PyString_FromStringAndSize(hdr, 20)
-+    return PyBytes_FromStringAndSize(hdr, 20)
- 
- #
- # ip6.h
-@@ -364,8 +364,8 @@ IP6_MTU_MIN =	1280		# /* minimum MTU (1024 + 256) */
- IP6_HLIM_DEFAULT=64
- IP6_HLIM_MAX =	255
- 
--IP6_ADDR_UNSPEC	= PyString_FromStringAndSize("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16)
--IP6_ADDR_LOOPBACK = PyString_FromStringAndSize("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01", 16)
-+IP6_ADDR_UNSPEC	= PyBytes_FromStringAndSize("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16)
-+IP6_ADDR_LOOPBACK = PyBytes_FromStringAndSize("\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01", 16)
- 
- def ip6_ntoa(buf):
-     """Convert an IPv6 address from a 16-byte packed binary string to a
-@@ -380,7 +380,7 @@ def ip6_aton(buf):
-     cdef ip6_addr_t ia
-     if __ip6_aton(buf, &ia) < 0:
-         raise ValueError, "invalid IPv6 address"
--    return PyString_FromStringAndSize(<char *>&ia, 16)
-+    return PyBytes_FromStringAndSize(<char *>&ia, 16)
- 
- def ip6_checksum(buf):
-     """Return a packed binary string representing an IPv6 packet 
-@@ -389,7 +389,7 @@ def ip6_checksum(buf):
-     Arguments:
-     pkt -- binary string representing an IPv6 packet
-     """
--    __ip6_checksum(buf, PyString_Size(buf))
-+    __ip6_checksum(buf, PyBytes_Size(buf))
-     return buf
- 
- def ip6_pack_hdr(fc=0, fl=0, plen=0, nxt=IP_PROTO_IPV6, hlim=IP6_HLIM_DEFAULT,
-@@ -410,7 +410,7 @@ def ip6_pack_hdr(fc=0, fl=0, plen=0, nxt=IP_PROTO_IPV6, hlim=IP6_HLIM_DEFAULT,
-     __memcpy(<char *>&s, src, 16)
-     __memcpy(<char *>&d, dst, 16)
-     __ip6_pack_hdr(hdr, fc, fl, plen, nxt, hlim, s, d)
--    return PyString_FromStringAndSize(hdr, 40)
-+    return PyBytes_FromStringAndSize(hdr, 40)
- 
- #
- # addr.h
-@@ -443,7 +443,7 @@ cdef class addr:
-     
-     def __init__(self, addrtxt=None, type=ADDR_TYPE_NONE):
-         if addrtxt != None and addr_aton(addrtxt, &self._addr) < 0:
--            if PyString_Size(addrtxt) == 4:
-+            if PyBytes_Size(addrtxt) == 4:
-                 self._addr.addr_type = ADDR_TYPE_IP
-                 self._addr.addr_bits = IP_ADDR_BITS
-                 self.ip = addrtxt
-@@ -483,10 +483,10 @@ cdef class addr:
-         def __get__(self):
-             if self._addr.addr_type != ADDR_TYPE_ETH:
-                 raise ValueError, "non-Ethernet address"
--            return PyString_FromStringAndSize(self._addr.addr_data8, 6)
-+            return PyBytes_FromStringAndSize(self._addr.addr_data8, 6)
-         
-         def __set__(self, value):
--            if PyString_Size(value) != ETH_ADDR_LEN:
-+            if PyBytes_Size(value) != ETH_ADDR_LEN:
-                 raise ValueError, "not a 6-byte string"
-             __memcpy(self._addr.addr_data8, value, 6)
-             self._addr.addr_type = ADDR_TYPE_ETH
-@@ -497,15 +497,15 @@ cdef class addr:
-         def __get__(self):
-             if self._addr.addr_type != ADDR_TYPE_IP:
-                 raise ValueError, "non-IP address"
--            return PyString_FromStringAndSize(self._addr.addr_data8, 4)
-+            return PyBytes_FromStringAndSize(self._addr.addr_data8, 4)
-         
-         def __set__(self, value):
--            # XXX - handle < 2.3, or else we'd use PyInt_AsUnsignedLongMask()
--            if PyInt_Check(value):
--                self._addr.addr_ip = htonl(PyInt_AsLong(value))
-+            # XXX - handle < 2.3, or else we'd use PyLong_AsUnsignedLongMask()
-+            if PyLong_Check(value):
-+                self._addr.addr_ip = htonl(PyLong_AsLong(value))
-             elif PyLong_Check(value):
-                 self._addr.addr_ip = htonl(PyLong_AsUnsignedLong(value))
--            elif PyString_Size(value) != IP_ADDR_LEN:
-+            elif PyBytes_Size(value) != IP_ADDR_LEN:
-                 raise ValueError, "not a 4-byte string"
-             else:
-                 __memcpy(self._addr.addr_data8, value, 4)
-@@ -517,10 +517,10 @@ cdef class addr:
-         def __get__(self):
-             if self._addr.addr_type != ADDR_TYPE_IP6:
-                 raise ValueError, "non-IPv6 address"
--            return PyString_FromStringAndSize(self._addr.addr_data8, 16)
-+            return PyBytes_FromStringAndSize(self._addr.addr_data8, 16)
-         
-         def __set__(self, value):
--            if PyString_Size(value) != IP6_ADDR_LEN:
-+            if PyBytes_Size(value) != IP6_ADDR_LEN:
-                 raise ValueError, "not a 16-byte string"
-             __memcpy(self._addr.addr_data8, value, 16)
-             self._addr.addr_type = ADDR_TYPE_IP6
-@@ -540,9 +540,9 @@ cdef class addr:
- 
-     def __add__(self, other):
-         # XXX - only handle IP for now...
--        if PyInt_Check(self):
-+        if PyLong_Check(self):
-             x, y = other, self
--        elif PyInt_Check(other):
-+        elif PyLong_Check(other):
-             x, y = self, other
-         else:
-             raise NotImplementedError
-@@ -777,7 +777,7 @@ def arp_pack_hdr_ethip(op=ARP_OP_REQUEST,
-     __memcpy(<char *>&sp, spa, 4)
-     __memcpy(<char *>&dp, dpa, 4)
-     __arp_pack_hdr_ethip(buf, op, sh, sp, dh, dp)
--    return PyString_FromStringAndSize(buf, 28)
-+    return PyBytes_FromStringAndSize(buf, 28)
- 
- #
- # icmp.h
-@@ -794,7 +794,7 @@ def icmp_pack_hdr(type, code):
-     """
-     cdef char buf[4]
-     __icmp_pack_hdr(buf, type, code)
--    return PyString_FromStringAndSize(buf, sizeof(buf))
-+    return PyBytes_FromStringAndSize(buf, sizeof(buf))
- 
- #
- # tcp.h
-@@ -860,7 +860,7 @@ def tcp_pack_hdr(sport, dport, seq=1, ack=0, flags=TH_SYN,
-     """
-     cdef char buf[20]
-     __tcp_pack_hdr(buf, sport, dport, seq, ack, flags, win, urp)
--    return PyString_FromStringAndSize(buf, sizeof(buf))
-+    return PyBytes_FromStringAndSize(buf, sizeof(buf))
- 
- #
- # udp.h
-@@ -881,7 +881,7 @@ def udp_pack_hdr(sport, dport, ulen=UDP_HDR_LEN):
-     """
-     cdef char buf[8]
-     __udp_pack_hdr(buf, sport, dport, ulen)
--    return PyString_FromStringAndSize(buf, sizeof(buf))
-+    return PyBytes_FromStringAndSize(buf, sizeof(buf))
- 
- #
- # intf.h
-@@ -1333,10 +1333,10 @@ cdef class rand:
-         cdef char *p
-         if len <= 1024:
-             rand_get(self.rand, buf, len)
--            return PyString_FromStringAndSize(buf, len)
-+            return PyBytes_FromStringAndSize(buf, len)
-         p = malloc(len)
-         rand_get(self.rand, p, len)
--        s = PyString_FromStringAndSize(p, len)
-+        s = PyBytes_FromStringAndSize(p, len)
-         free(p)
-         return s
-     
-@@ -1346,7 +1346,7 @@ cdef class rand:
-         Arguments:
-         string -- binary string seed value
-         """
--        rand_set(self.rand, buf, PyString_Size(buf))
-+        rand_set(self.rand, buf, PyBytes_Size(buf))
-         
-     def add(self, buf):
-         """Add additional entropy into the PRNG mix.
-@@ -1354,7 +1354,7 @@ cdef class rand:
-         Arguments:
-         string -- binary string
-         """
--        rand_add(self.rand, buf, PyString_Size(buf))
-+        rand_add(self.rand, buf, PyBytes_Size(buf))
-     
-     def uint8(self):
-         """Return a random 8-bit integer."""
-@@ -1400,15 +1400,15 @@ cdef class __rand_xrange:
-         cdef unsigned int bits
-         
-         self.rand = (<rand>r).rand
--        if PyInt_Check(start):
--            self.start = PyInt_AsLong(start)
-+        if PyLong_Check(start):
-+            self.start = PyLong_AsLong(start)
-         elif PyLong_Check(start):
-             self.start = PyLong_AsUnsignedLong(start)
-         else:
-             raise TypeError, 'start must be an integer'
-         
--        if PyInt_Check(start):
--            self.max = PyInt_AsLong(stop) - self.start
-+        if PyLong_Check(start):
-+            self.max = PyLong_AsLong(stop) - self.start
-         elif PyLong_Check(start):
-             self.max = PyLong_AsUnsignedLong(stop) - self.start
-         else:
-@@ -1515,7 +1515,7 @@ cdef class tun:
-         Arguments:
-         pkt -- binary string representing an IP packet
-         """
--        return tun_send(self.tun, pkt, PyString_Size(pkt))
-+        return tun_send(self.tun, pkt, PyBytes_Size(pkt))
- 
-     def recv(self):
-         """Return the next packet delivered to the tunnel interface."""
-@@ -1523,7 +1523,7 @@ cdef class tun:
-         n = tun_recv(self.tun, self.buf, self.mtu)
-         if n < 0:
-             raise OSError, __oserror()
--        return PyString_FromStringAndSize(self.buf, n)
-+        return PyBytes_FromStringAndSize(self.buf, n)
- 
-     def close(self):
-         self.tun = tun_close(self.tun)
--- 
-1.8.3.1
-