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this is a toolsthis is a toolsthis is a toolsthis is a tools(this is a tools)

linux平台经典的网络抓包工具，tcpdump，可以将网络中传送的数据包完全截获下来提供分析(linux platform classic network capture tool, tcpdump, the packet may be transmitted in the network to provide analytical intercepted off completely)

ELM的C语言版本，黄广斌教授的研究成果(The C version of ELM, which is proposed by Prof. Guangbin Huang.)

该源码是ping命令的实现，对linux 网络编程的学习很有帮助(The code is the ping command implementation. It is helpful for linux learning of network programming )

C# winform 通过USB 条用 斑马打印机(C# winform call Zebra printer by USB)

OPC客户端源码，可以访问PLC等，通过测试(OPC client source code, you can visit, such as PLC)

串口调试工具,应用Visual Basic编程的小示例

VB 实现的PUSH功能，适合初学者入门(VB realized PUSH function, suitable for beginners and entry-)

精易模块源码 迎光临程序员联合开发网 请认真书写上传资料的详细功能、包含内容说明(至少要20个字)。尽量不要让站长把时间都花费在为您修正说明上。压缩包解压时不能有密码(Jing Yi module source Welcome to our programmer joint open networks Please carefully written to upload data more features, including content description (at least 20). Try not to let the owners have spent time on the revised instructions you. Unpack the archive and can not have a password)

一个轻量级网络编程框架 前面上传的socketman是跨平台的C++版本，我弄成VC版本了，请站长达人修改一下。-a lightweight framework for network programming uploaded socketman ahead of cross-platform C version, I ended up version of the VC, with many people again.