1savannah.txt   - How to obtain the current development source code.
2contrib.txt    - How to contribute to lwIP as a developer.
3rawapi.txt     - The documentation for the core API of lwIP.
4                 Also provides an overview about the other APIs and multithreading.
5snmp_agent.txt - The documentation for the lwIP SNMP agent.
6sys_arch.txt   - The documentation for a system abstraction layer of lwIP.
7