如何设置多播套接字属性，并使用它时，多播路由问题。

实现了客户端和服务器的 小型socket聊天软件-Realize the client and server socket small chat software

通过消息传递数据,有服务端和客户端-through messaging data, services and clients

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这个是用C++编程出来的实时的语音通信程序可以听到自己和别人的声音,应该说挺好的-the C programming is the real-time voice communication procedures can hear his own and other people"s voices should be said that in very good shape;

一个java网络编程的综合起步代码：ftp的浏览器，/jbuilder9编译通过！-an integrated network started programming code : ftp browser/jbuilder9 compile!

c#,一个小型的flashget-c#, a small Flashget

一个组播接收类， 一个组播接收类。-Category to receive a multicast, a multicast receiver category.

本程序只对一个IP地址进行，如果要对一段IP进行测试，简单修改程序即可。可将发送放在单独的进程 里(使用fork（）），send_icmp里做成循环，每次重新初始化struct sockaddr_in。那么对接收到的数据 进行分析的proc_icmp（）将多一道对IP报头ip->src字段的判断。-this procedure only a pair of IP addresses, IP to a test, a simple change procedures. This can be placed on a separate process (the use of fork ()), causing Lane send_icmp cycle, each re-initialization struct sockaddr_in. Then Butt received the data analysis proc_icmp () will more than one pair of IP header ip-gt; Src field judgment.

WinSocket 编程指南，对编程人员有一定的帮助-Winsocket Programming Guide, the programming staff can help

得到网络中其他计算机的时间-Be other computer network time