53 struct arp_state {  struct
54 	TAILQ_ENTRY(arp_state) next;
57 	void (*probed_cb)(struct arp_state *);  argument
58 	void (*announced_cb)(struct arp_state *);  argument
59 	void (*conflicted_cb)(struct arp_state *, const struct arp_msg *);  argument
69 TAILQ_HEAD(arp_statehead, arp_state);  argument
72 void arp_report_conflicted(const struct arp_state *, const struct arp_msg *);
73 void arp_announce(struct arp_state *);
74 void arp_probe(struct arp_state *);
75 struct arp_state *arp_new(struct interface *, const struct in_addr *);
76 void arp_cancel(struct arp_state *);
77 void arp_free(struct arp_state *);
78 void arp_free_but(struct arp_state *);