void arp_request(void);
void arp_raw_request(struct in_addr source_ip, const uchar *targetEther,
struct in_addr target_ip);
-void arp_timeout_check(void);
+int arp_timeout_check(void);
void arp_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len);
#endif /* __ARP_H__ */