extern int if_unset_flags(struct interface *, uint64_t);
extern void if_get_flags(struct interface *);
-extern int if_set_prefix(struct interface *, struct connected *);
-extern int if_unset_prefix(struct interface *, struct connected *);
-
extern void if_get_metric(struct interface *);
extern void if_get_mtu(struct interface *);
-extern int if_prefix_add_ipv6(struct interface *, struct connected *);
-extern int if_prefix_delete_ipv6(struct interface *, struct connected *);
-
#ifdef SOLARIS_IPV6
extern int if_ioctl_ipv6(unsigned long, caddr_t);
extern struct connected *if_lookup_linklocal(struct interface *);