--- trafshow.c.orig	Fri Aug 28 08:15:57 1998
+++ trafshow.c	Tue Apr  5 22:44:25 2016
@@ -62,7 +62,7 @@ int use_colors = FALSE;
 int resize_flag = 0;
 int addr_size, proto_size, bytes_size, cps_size, count_size;
 
-void
+int
 main(argc, argv)
 	int argc;
 	char **argv;
@@ -192,6 +192,7 @@ main(argc, argv)
 		error(0, pcap_geterr(pd));
 	pcap_close(pd);
 	cleanup(0);
+	return 0;
 }
 
 /*