Introduction - If you have any usage issues, please Google them yourself
LwIP is TCP/IP protocol stack of a realization. Its purpose is to reduce memory usage and code size, so that lwIP applicable to resource-constrained systems such as embedded systems. In order to reduce processing and memory requirements, LwIP use data replication does not require any cutting of after the API.
Packet : 97288432lwipfortcpip.rar filelist
TCPIP协议栈LwIP的设计与实现.pdf