里面包含TCP/UDP源码与程序，各种阻塞和非阻塞IO模型的通讯源码，对想学习网络编程的朋友们可以下载下来看看！-Which contains the TCP/UDP source and program, a variety of blocking and non-blocking IO model communication source, and friends who want to learn network programming can download to see!

这是TCP\Ip的服务器程序段，可以建立服务器，实现通讯-This is the TCP \ Ip server block, you can create server to achieve communication