174 	    struct interface *rts_ifp;
237 struct interface {  struct
238 	LIST_ENTRY(interface)		int_list;
239 	LIST_ENTRY(interface)		remote_list;
240 	struct interface *int_ahash, **int_ahash_prev;  argument
241 	struct interface *int_bhash, **int_bhash_prev;  argument
242 	struct interface *int_nhash, **int_nhash_prev;  argument
326 LIST_HEAD(ifhead, interface);
424 extern const struct interface *rip_sock_mcast; /* current multicast interface */
477 void rip_on(struct interface *);
481 		   struct interface *, struct rip *, int);
485 void supply(struct sockaddr_in *, struct interface *,
518 void	get_parms(struct interface *);
533 void	trace_if(const char *, struct interface *);
537 			  struct interface *, struct rip *, int);
542 void	set_rdisc_mg(struct interface *, int);
544 void	if_bad_rdisc(struct interface *);
545 void	if_ok_rdisc(struct interface *);
546 void	read_rip(int, struct interface *);
584 naddr	ripv1_mask_net(naddr, struct interface *);
585 naddr	ripv1_mask_host(naddr,struct interface *);
588 struct interface *check_dup(naddr, naddr, naddr, int);
589 int	check_remote(struct interface *);
592 int	if_ok(struct interface *, const char *);
593 void	if_sick(struct interface *);
594 void	if_link(struct interface *);
595 struct interface *ifwithaddr(naddr addr, int bcast, int remote);
596 struct interface *ifwithindex(u_short, int);
597 struct interface *iflookup(naddr);
599 struct auth *find_auth(struct interface *);