les-4-3-tools

网络重传选择协议，可以检查传输信息的正确性。通过接受方的校检，通知发送方重新发送。 ( Network retransmission protocol, you can check the correctness of the transmission of information. By accepting the prosecution s school to notify the sender to resend.)

用pop3实现邮件的接收功能，图形化界面，基于MFC(please read Chinese comments,thank you)

简单聊天软件，简单易学 winscok2.0 (Simple chat software, easy to learn winscok2.0)

又一个简单的com服务器和客户端程序,呵呵,不错不错(Another simple com server and client program, ha, good)

可以参考直接使用S7协议连接西门子plc(You can refer to the direct use of the S7 protocol to connect SIEMENS PLC)

UDP协议测试工具，可根据设定绑定UDP绑定IPD端口，进行相关的UDP吸引收发数据测试。(UDP protocol test tools, according to the set bound to the UDP binding IPD port, the UDP attract send and receive data test.)

UDP服务器程序，提供无连接不可靠的数据传输服务(UDP server program that provides connectionless unreliable data transmission service)

主要用于flightgear与matlab联合仿真中的udp通信(Mainly used udp communications flightgear joint simulation with matlab)

利用WINSOCK在几台计算机之间互相传输屏幕图象 (WINSOCK use in several computer screen image transmission between)

说明：  是一个通过网络对软件进行自动更新的系统,可以使用这个程序为你的软件提供远程升级功能(Is a network of software auto-update system, you can use this procedure for you to provide remote software upgrade capability)