利用winpcap库文件在vc6.0下用socket实现的网络捕包分析程序，没有可视化界面，但是能分析出完成的ip报以及tcp/udp报首部-The winpcap library files in vc6.0 socket to achieve network packet capture analysis program, there is no visual interface, but analysis of the complete ip reported tcp/udp report