一、引言 近年来,利用Internet进行网际间通讯,在WWW浏览、FTP、Gopher这些常规服务,以及在网络电话、多媒体会议等这些对实时性要求严格的应用中成为研究的热点,而且已经是必需的了。Windows环境下进行通讯程序设计的最基本方法是应用Windows Sockets I. INTRODUCTION In recent years, the use of the Internet for Internet communication has become a hot topic of research in WWW browsing, FTP, Gopher and other conventional services such as IP telephony, multimedia conferencing and so on, which are already necessary The Windows environment, the most basic method of communication programming is the application of Windows Sockets