用udp编写的一个网络程序，输入对方的ip就可以进行通讯，只要改一下端口，一个程序同时又客户端与服务端，mfc的-Using udp written a network program, enter the other' s ip you can communicate, as long as change what port, a program at the same time client and server, mfc' s

K7上实现以太网协议,实现udp/ip协议-Ethernet protocol K7