Here is a list of all documented files with brief descriptions:

cc_pal.c
cc_pal.h
device.c
device.h
driver.c
driver.h
errno.h
errors.h
eventreg.c
eventreg.h
flowcont.c
flowcont.h
fs.c
fs.h
netapp.c
netapp.h
netcfg.c
netcfg.h
netdb.h
netutil.c
netutil.h
nonos.c
nonos.h
objInclusion.h
protocol.h
simplelink.h
sl_socket.c
sl_socket.h
socket.c
socket.h
spawn.c
spawn.h
trace.h
user.h
wlan.c
wlan.h