Internet上可以提供一种叫IRC 的服务。使用者通过客户端的程序登录到IRC服务器上，就可以与登录在同一IRC服务器上的客户进行交谈，这也就是平常所说的聊天室。在这里，给出了一个在运行TCP/IP协议的网络上实现IRC服务的程序。-Internet can provide a service called IRC. Client users through the process log on to IRC servers, and can be logged on the same server on the IRC chat client, which is usually the chat rooms. Here is a running TCP / IP on the network to achieve the IRC service procedures.