$OpenBSD: patch-src_protocols_h,v 1.1.1.1 2010/10/25 23:12:02 steven Exp $
--- src/protocols.h.orig	Sun Jul 16 14:37:31 2006
+++ src/protocols.h	Thu Apr 24 23:46:12 2008
@@ -26,6 +26,7 @@
 #define __PROTOCOLS_H__
 
 #include <pcap.h>
+#include <sys/socket.h>
 #include <net/if.h>
 
 #ifdef SOLARIS
