extern struct neigh_table arp_tbl;
extern void arp_init(void);
-extern int arp_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt, struct net_device *orig_dev);
extern int arp_find(unsigned char *haddr, struct sk_buff *skb);
extern int arp_ioctl(unsigned int cmd, void __user *arg);
extern void arp_send(int type, int ptype, u32 dest_ip,