diff -ur --unidirectional-new-file skipsrc-1.0.orig/skip/include/skip_types.h skipsrc-1.0/skip/include/skip_types.h
--- skipsrc-1.0.orig/skip/include/skip_types.h	Fri Oct 25 13:12:45 1996
+++ skipsrc-1.0/skip/include/skip_types.h	Sun Apr 12 15:29:53 1998
@@ -142,6 +142,7 @@
 	unsigned char		flags;		/* ACL info for this system */
 	struct in_addr		mask;		/* network/host mask */
 	struct in_addr		tunnel_addr;	/* tunneling address */
+	unsigned long		source;		/* source address */
 } skip_param_t;
 
 /*