ch4通信服务器，是我编写的适用于通信的服务器，很适合初级者学习使用，也适合资深使用者修改使用-ch4 communication server that I have written for communication servers, very suitable for beginners to learn to use, is also suitable for experienced users to modify the use of

Windows网络编程 (核心编程系列)原配光盘。 应该是ch4-5 -Windows Network Programming (core programming series) Original disc.