此源代码，不仅能捕获IP数据报，并且能将此数据报分成tcp,udp,icmp,igmp等协议。源码中有各种容错处理，含有ppt-The source code can not only capture the IP datagram, and can report this data into tcp, udp, icmp, igmp and other agreements. Source in a variety of fault-tolerant, with ppt