-extern void eigrp_del_if_params (struct eigrp_if_params *);
-extern struct eigrp_if_params *eigrp_new_if_params (void);
-extern struct eigrp_interface * eigrp_if_new (struct eigrp *, struct interface *,
- struct prefix *);
-extern struct eigrp_interface * eigrp_if_table_lookup (struct interface *,
- struct prefix *);
-extern struct eigrp_if_params *eigrp_lookup_if_params (struct interface *,
- struct in_addr);
-extern int eigrp_if_up (struct eigrp_interface *);
-extern void eigrp_if_stream_set (struct eigrp_interface *);
-extern void eigrp_if_set_multicast (struct eigrp_interface *);
-extern u_char eigrp_default_iftype (struct interface *);
-extern void eigrp_if_free (struct eigrp_interface *, int);
-extern int eigrp_if_down (struct eigrp_interface *);
-extern void eigrp_if_stream_unset (struct eigrp_interface *);
+extern bool eigrp_if_is_passive(struct eigrp_interface *ei);
+extern void eigrp_del_if_params(struct eigrp_if_params *);
+extern struct eigrp_interface *eigrp_if_new(struct eigrp *, struct interface *,
+ struct prefix *);
+extern int eigrp_if_up(struct eigrp_interface *);
+extern void eigrp_if_stream_set(struct eigrp_interface *);
+extern void eigrp_if_set_multicast(struct eigrp_interface *);
+extern uint8_t eigrp_default_iftype(struct interface *);
+extern void eigrp_if_free(struct eigrp_interface *, int);
+extern int eigrp_if_down(struct eigrp_interface *);
+extern void eigrp_if_stream_unset(struct eigrp_interface *);