libdnet 为若干个低层的网络例程提供了一个简单的可移植的接口，包括网络地址处理，

内核arp 缓冲和路由表查找和管理，网络防火墙（IP filter, ipfw, ipchains, pf, PktFilter, ...)，网

络接口查找和管理，IP 隧道（BSD/Linux tun, Universal TUN/TAP device)，未加工的IP 包和

以太网帧的传输。-libdnet for a number of low-level routines network provides a simple portable interface, including network addresses, arp kernel buffer and routing table search and management, network firewall (IP filter, ipfw, ipchains, pf, PktFilter, ...), network interface to search and management, IP tunnels (BSD / Linux tun, Universal TUN / TAP device). unprocessed IP packet and Ethernet frame transmission.