-extern int ip_fib_check_default(u32 gw, struct net_device *dev);
-extern void fib_release_info(struct fib_info *);
-extern int fib_semantic_match(int type, struct fib_info *,
- const struct flowi *, struct fib_result*);
-extern struct fib_info *fib_create_info(const struct rtmsg *r, struct kern_rta *rta,
- const struct nlmsghdr *, int *err);
-extern int fib_nh_match(struct rtmsg *r, struct nlmsghdr *, struct kern_rta *rta, struct fib_info *fi);
-extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
- u8 tb_id, u8 type, u8 scope, void *dst, int dst_len, u8 tos,
- struct fib_info *fi);