用C写的网络通讯小程序，包括tcp服务端和客户端以及udp通讯的例子，跟大家分享-Network communication using C to write small programs, including the tcp server and client, and udp communication examples to share with you

使用java实现UDP编程，需要同时运行文件中的server和client文件。实现客户端和服务器的通讯和接收。(Using java to achieve UDP programming, you need to run files in the server and client files. Realize the communication and reception between client and server.)