关于网络通信的程序，供大家参考。

windows底下一个很不错的sgip协议网关程序，对于那些初涉短信协议开发的人员是个很不错的帮助-windows beneath a very good agreement sgip Gateway procedure, for those初涉SMS protocol development staff is a very good help

完成端口网络服务-complete port network services

这是一个用c++语言实现的网络中的TCP UDP 以及组播通信的程序，具有很好的借鉴意义-This is a used c++ Language realize the network TCP UDP and multicast communication procedures, a good reference

多线程程序 非常有用的程序 可以通过这个程序，了解多线程编程-Multi-threaded program very useful program can through this process, to understand multi-threaded programming

Windows下VC编程，使用Winsocket进行网络通信-Windows programming, the use of network communications Winsocket

通过Socks5代理连接FTP服务器，可以给出FTP服务器的欢迎信息。通过这个可以学习 SOCKS5编程-Socks5 proxy to connect through the FTP server, FTP server can be given the welcome message. Through this programming can learn SOCKS5

这是一个在windows平台下用vc6.0开发的一个“一款与CuteFTP软件相媲美的源代码”程序，本程序为上传者传发的程序-This is one of the windows platform with vc6.0 developed a "new and CuteFTP comparable to the software source code" procedures, the procedures for circulating uploaders procedures

计算机硬件系统采集，作为系统监控、系统检查等相关操作-Acquisition of computer hardware systems, as system monitoring, system checks and other related operations

1-持续CSMA协议下，当一个用户要发送数据时，它首先侦听信道，看是否有其他站点在传送。如果信道忙，就持续等待直到信道空闲时，便将数据送出。若发生冲突，就等待一个随机长的时间，然后重新侦听。 对于这种协议，先考虑当前帧i时的前一帧时i-1，得到前一帧时的最后一帧frame0（相对时间最大的帧）的相对时间dt0，然后再在当前帧时查看有哪些帧的相对时间会小于dt0，这些帧若是发送就会与frame0发生冲突，所以这些帧就进入持续等待状态，这些帧并没有发送。再考虑当前帧余下的帧（dt > dt0），它们中的第一帧侦听到信道处于空闲状态，所以就发送，而其他的帧由于第一帧的发送又处于等待状态。若有大于或等于2个帧的相对时间相等，且它们又同时侦听到信道空闲时，就会同时发送而导致冲突，冲突发生后的处理方法同上两个协议的一样。 -1- CSMA continued under the agreement, when a user to send data, it first interception Channel to see if there are other sites in transmission. If Channel busy, continuing to wait until the idle channel, and put more information out. If there is conflict, it is a long wait for a random time, then re-interception. Such agreements, to consider the current frame i am one of the former when i-1, be a time before the final one frame0 (relative to the time frame) the relative dt0 time, and then when the current frame to detect what the relative time frame will be less than dt0, these frames will be sent if and frame0 conflict, th

利用VC++6.0编写串口发送程序-VC 6.0 Serial prepared to send a program