网络编程即编写通过计算机网络与其他程序进行通信的这类程序，相互通信的程序中一方称为客户程序，一方称为服务器程序，我们使用应用程序编程接口API来进行网络程序的编写，主要以两种方式来介绍UNIX下的SOCKET编程技术-Network programming that is written to communicate through a computer network and other programs such procedures, the party known as the client program communicate with each other, the party called a server program, we use the application programming interface (API) for network programs written, mainly in two ways to introduce the SOCKET under UNIX programming techniques