Linux系统中的数据链路层网络数据收发例程,使用原始套接字机制。可用于网络协议分析或网络流量生成软件的开发，也可用于基于PC的软路由器开发。这个程序的发送功能是libcap所不具备的。-Linux System data link layer network data transceiver routines. Can be used for network protocol analysis or network traffic generation software development, but also can be used for PC-based soft router development. the send function of This program is not available in the libcap.