arp_list
struct arp_list *al;
for (i=0, al=arp_list; i<arp_num; ++i, ++al) {
extern struct arp_list arp_list[8];
struct arp_list *al;
for (i = 0, al = arp_list; i < arp_num; ++i, ++al)
if (memcmp(&arp_list[arp_num].addr,
} arp_list[ARP_NUM] = {