--- ../tips/source/icmp.c	Sat Apr 22 13:44:19 2000
+++ ./icmp.c	Sun Apr 23 11:55:29 2000
@@ -4,6 +4,7 @@
 #include <netinet/in.h>
 #include <netinet/ip.h>
 #include <netinet/ip_icmp.h>
+#define __FAVOR_BSD
 #include <netinet/udp.h>
 #include "etcp.h"