UDP数据侦听的例子，实现了udp数据侦听回环操作，可以移植到LPC处理器上，不同的处理器只需要修改启动文件就可以了，非常容易移植-UDP data examples of listening to realize data udp listening circle operation, can be transferred to the LPC processor, different processors only need to modify the startup file can be

需要启动两个命令窗口一起使用，当本练习中的服务器端启动之后，运行本练习的客户端程序，则可以看到服务器给客户端发送的字符串显示。-Need to start two command window are used together, when the server startup in practice, after practice run this client program, can see the server to the client send string display.