-extern uchar *NetArpWaitPacketMAC;
-extern int NetArpWaitTxPacketSize;
-extern ulong NetArpWaitTimerStart;
-extern int NetArpWaitTry;
+extern uchar *arp_wait_packet_ethaddr;
+extern int arp_wait_tx_packet_size;
+extern ulong arp_wait_timer_start;
+extern int arp_wait_try;