可以抓网络TCP,I CMP等几种包。

windows命令ping的源代码,大家可以学习学习,写自己的网络连接测试程序哟-windows ping order the source code, we can learn from and write their own network connectivity testing procedures yo! !

小型的网络扫描工具,非常适合初学者了解网络扫描的具体实现-small network scanning tool, very suitable for beginners to understand the specific network scanning achieve

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检查Linux imap服务程序弱点的Unix Shell程序 -A unix shell app which can detect the weakness of Linux imap service

利用Iphlpapi发送arp请求的小程序，在处理线程结束的地方有bug,还没有解决。如果是局域网ip地址填写你所在网段，最后一位是要扫描的终点。-use Iphlpapi arp request to send a small procedure in handling threaded end of the local bug, is still not resolved. If LAN ip address where you fill in net, the last one is to scan the finish line.

判断逻辑驱动器A中磁盘的基本信息。根据给定的物理扇区号读取磁盘扇区。把磁盘上得到的信息输出到标准输出流中。-judgment logical drive A disk of basic information. According to the physics sector, disk sector read. Disk information on the output to standard output stream.

遥控接收器子程序，适合于电视，PDA，DVD等-Remote Control Receiver subroutine, suitable for television, PDA, DVD, etc.

字符界面下的端口扫描程序- Under character contact surface port scanning procedure

扫描器的源代码,在VC下编译通过-the source code scanners, compiled by VC

tftp 服务器和客户端 软件，功能强大！-tftp server and client software, powerful!