libevent提供了一组应用程序编程接口（API），让程式设计师可以设定某些事件发生时所执行的函式，也就是说，libevent可以用来取代网络服务器所使用的循环检查架构。



由于可以省去对网络的处理，且拥有不错的效能，有些软件使用libevent作为网络底层的函式库-libevent provides a set of application programming interface (API), so that programmers can set the time of the incident by the implementation of some of the functions, that is, libevent can be used to replace the network server architecture used by the cycle of inspection. As the network eliminates the need for treatment, and has a good performance, some software uses the underlying library libevent as the network