c或c++的网络库

Asio C++ Library：

Asio is a cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach.

http://think-async.com/Asio

 

Dyad：

an asynchronous networking library which aims to be lightweight, portable and easy to use. 

https://github.com/rxi/dyad