启动该程序后可以看到整个局域网内的包，你可以知道有哪些IP在访问你的机器。

一个简单的聊天工具,可以实现多个用户同时上线聊天,目前已实现在局域网可以聊天.这是客户端程序.-A simple chat tool, multiple users can chat on-line at the same time, the current can be realized in the local area network chat. This is the client program.

用UDP协议限制单个数据包大小实现互联网内文件传输。-Use UDP protocal to transport files between different IP with limited data package.

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

网络续传下载开发源码，类似于网络蚂蚁，网络快车等续传下在软件-network download open source, similar to ants network, Network Express and other software under Resuming

禁用网卡以及恢复的程序：可以模拟硬件管理器中的停用和启用功能（仅对网卡）-banned card and recovery procedures : can simulate hardware management for the suspension and the opening function (LAN only)

本程序是ping的源程序-this program is the source ping

网上人才招聘系统，有助于企事业单位在网上与人才招聘的互动。-online recruitment system will help enterprises on the Internet and talent recruitment of interaction.

一个完成端口程序的例子,包含服务器和客户端，可以多个客户端同时登陆，类似网络棋牌类游戏。-A complete example of port procedures, including the server and the client, you can visit multiple clients at the same time, similar to the network Card games.

可以清晰了解TCP/IP，UPD协议中，每个包所包含数据的含义等，包括每一帧数据的头，校验等，解码的数据让你清晰了解底层通讯的机制。非常珍贵。

获取本机网卡的mac地址- Gains this machine net card the mac address