基于TCP/IP的客户端，用socket进行通信。用vc++实现-Based on TCP/IP client using socket communication. With vc++ Achieve

Twisted是高性能面向通信的event-driven 网络引擎, 支持HTTP, NNTP, IMAP, SSH, IRC, FTP, and others-Twisted is an event-driven networking engine written in Python and licensed under the MIT license. Twisted projects variously support TCP, UDP, SSL/TLS, mu

这是一个通过ftp实现文件上传下载的源程序。主要利用tcp进行连接和通信。-This is a file upload via ftp to download the source code to achieve. Mainly use tcp to connect and communicate.