网络编程unix/linux,的wrap库，很好。-networking programming lib

一个高效的基于事件驱动循环的网络IO编程框架。该版本是目前最新的版本，在性能和健壮性已经超越libevent。-A full-featured and high-performance (see benchmark) event loop that is loosely modelled after libevent, but without its limitations and bugs. It is used, among others, in the GNU Virtual Privat

libev是最近常用的网络编程库，适用于linux系统下的网络开发，很多大规模的网络开发需要它。-The libev recently used network programming library, apply to the development of the network under linux system, many large-scale web development needs it.