busybox/examples/var_service/dhcpd_if
..
log
p_log
README
run
udhcpc.conf
w_dumpleases
w_dumpleases_countdown
w_log

The real README file is one directory up.

This directory's run script can have useful comments.
If it doesn't but you feel it should, please send a patch
to busybox's mailing list.