Socket的出现，使程序员可以很方便地访问TCP/IP，从而开发各种网络应用程序。 套接字存在于通信区域中。通信区域也叫地址族，它是一个抽象的概念，主要用于将通过套接字通信的进程的共有特性综合在一起。-Socket has made it very convenient for the programmer to visit TCP / IP, so as to develop network applications. Socket Communications exist in the

是用socket编程下的实现简单双机通信的客户端,内有两个实现,均可使用,但不是一个,-socket programming is the realization of a simple two-machine communication to the client, there are two realization can be used, But not one,