说明：  　?Socket 编程让你沮丧吗？从man pages中很难得到有用的信息吗？你想跟上时代去编Internet相关的程序，但是为你在调用 connect() 前的bind() 的结构而不知所措？
(Socket Programming let you frustrated? From the man pages is very difficult to get useful information? You want to go part time on the Internet-related programs, but for you to call connect () before the bind () and the structure of a loss?)