<first question1.> i have pcap_setfilter(arp)---i just wang to recv arp packets.now... pcap_loop(adhandle,1,dispatcher_handler,NULL);if i can say:after recv 1 arp-packet,then return pcap_loop. or ip,icmp-packets... <2 question.> i want to find alive-computers.but i send 255 arp-request,but it has to take long time to get all arp-replys. how should i set pcap_loop(,count??,),and pcap_open_live(,,time??). count and time have any relation???? thank you. i am waiting for your reply.
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