捕获IP数据包的小程序,原理是使用PCAP库.开发语言为C-IP packet capture the small programs, principles for the use of Cards. For the C programming language

基于libpcap的C编程,用于截获网络上面的数据流的内容，使用socket，用libpcap实现这个功能-Libpcap-based C programming for the network to intercept the content above data stream, using socket, to achieve this functionality with libpcap