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

[detail level 12]

include
byteorder.h	This file implements macros for machine independent short and int manipulation
compat.h
lru_cache.h	A data structure which approximates a least recently used (LRU) cache
range_list.h	A data structure which stores a list of address ranges
regfi.h	Windows NT (and later) read-only registry library
void_stack.h	This is a very simple implementation of a stack which stores chunks of memory of any type
winsec.h	A small library for interpreting Windows Security Descriptors
lib
lru_cache.c
range_list.c
regfi.c	Windows NT (and later) read-only registry library
void_stack.c
winsec.c