10 extern void ARP_SendRequest(int IfNum, const void *IPv4Addr);
11 extern void ARP_SendResponse(int IfNum, const void *IPv4Addr, const void *MacAddr);
12 extern bool ARP_Pkt_IsResponse(size_t Len, const void *Packet, const void *ExpectedIP, const void *ExpectedMac);
13 extern bool ARP_Pkt_IsRequest(size_t Len, const void *Packet, const void *ExpectedIP);