1api/ - The code for the high-level wrapper API. Not needed if 2 you use the lowel-level call-back/raw API. 3 4apps/ - Higher layer applications that are specifically programmed 5 with the lwIP low-level raw API. 6 7core/ - The core of the TPC/IP stack; protocol implementations, 8 memory and buffer management, and the low-level raw API. 9 10include/ - lwIP include files. 11 12netif/ - Generic network interface device drivers are kept here. 13 14For more information on the various subdirectories, check the FILES 15file in each directory. 16