本文描述了LwIP的设计与实现。描述了在协议栈实现中以及像内存与缓冲管理这样的子系统中使用的算法和数据结构。本文还包括LwIP的参考手册以及使用LwIP的代码例子。-This paper describes the design and implementation of lwIP. Described in the protocol stack, as well as realize as memory and buffer management subsystem such as the u