WINPCAP库写的一个网卡见相互打包的程序，意思是将一个网卡接收到的数据包发送到另外一个网卡上。是大家写windows收发包程序很好的例子-WINPCAP write a library card see each packaged procedure, meaning that the card receives a packet to another network card. We write windows transceiver package is a good example o