--- ./src/nettest_omni.c.bak	2021-08-03 17:12:46.083392014 +0800
+++ ./src/nettest_omni.c	2021-08-03 17:13:38.299856016 +0800
@@ -456,15 +456,13 @@
 
  /* different options for the sockets				*/
 
-int
+extern int
   loc_nodelay,		/* don't/do use NODELAY	locally		*/
   rem_nodelay,		/* don't/do use NODELAY remotely	*/
   loc_sndavoid,		/* avoid send copies locally		*/
   loc_rcvavoid,		/* avoid recv copies locally		*/
   rem_sndavoid,		/* avoid send copies remotely		*/
-  rem_rcvavoid; 	/* avoid recv_copies remotely		*/
-
-extern int
+  rem_rcvavoid, 	/* avoid recv_copies remotely		*/
   loc_tcpcork,
   rem_tcpcork,
   local_connected,
