--- src/sys/netinet/in_var.h	2004/12/21 02:54:15	1.8
+++ src/sys/netinet/in_var.h	2005/06/04 14:41:57	1.9
@@ -225,6 +225,7 @@ do { \
 struct	route;
 struct	netmsg;
 
+void	in_ifdetach(struct ifnet *ifp);
 struct	in_multi *in_addmulti (struct in_addr *, struct ifnet *);
 void	in_delmulti (struct in_multi *);
 int	in_control (struct socket *, u_long, caddr_t, struct ifnet *,