说明：  本章专门讲解编写成功网络应用程序时所需的基本知识和A P I调用。通过上一章的学习， 大家已知道从Wi n s o c k地址机和这些机器上的服务，可以很容易地访问协议。在这一章里， 我们打算讨论如何从网络上的一台机器到另一台机器建立连接，以及如何收发数据
(chapter devoted to the preparation of successful network applications required for the basic knowledge and A P I call. The study by the previous chapter, we know from Wi n s o c k address these machines on the machines and services, it is easy to access protocol. In this chapter, we intend to discuss how the network from one machine to another machine to connect. and how the data transceiver)