实现了一个不同的网关下的通信程序，下了不少的下…

机器狗源码...C写的. 大家可以学习下.原理部分-Dog source code ... C wrote. We can learn from the next. The principle part of

这是个模拟点对点的聊天程序,功能很小,只是做为一般参考学习新手用-This is a simulation of peer-to-peer chat program, function very small, just as a general reference study with newcomers

用VC开发文件传送程序,分服务器端和客户端.多线程接收和发送,可多连接.-VC with the development of file transfer procedures at the server side and client. Receive and send multi-threaded, can connect.

c++builder 电子邮件编程-c builder e-mail program

一通进销存系统,delphi+Sql,需要的可以看看!-Invoicing a single system, delphi+ Sql, need to look at!

间易的代理服务器源码,看看就知道-easily among the proxy server source code, look at know

CTelnet:该程序是telnet的Client,实现比较简陋。登录到任何bbs做测试。-CTelnet : The procedure is a telnet client to achieve humble. Log on to a bulletin board do any testing.

这是一个聊天室例程，服务器程序是chatsrvr.exe，客户端是ChatClient.exe,服务器先运行，客户连接到服务器运行的计算机的IP即可。--This is a chatroom example, the server program is chatsrvr.Exe, the client is ChatClient.Exe,The server must run first,then a client only need to connect to the server IP.

枚举网络设备的程序, vc6开发, 新手可以参考!-She determined to shake Sounds cheery cavity dug most序, vc6 Xi-kai, you can step themis EC banana!

发送端：发送端每收到一个上层报文都会为其设一个唯一的序列号。收到的大报文进行分段，构造S/R报头，如 REF _Ref371456073 h 图表1所示。构造报头和数据部分连接后，按序从片段号=1的报文开始发送，并设置重传定时器，直到发送完毕。重传定时器截止之前，如果收到了接收端发送的完全确认，即数据分段全部被接收，则清除该该序列号报文的缓存和定时器；如果收到了部分确认则根据部分确认的指示重传丢失的分段；如果定时器截止时还没有收到任何接收端的回