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

bacio.c	Fortran-callable routines to read and write characther data byte addressably
baciof.f90	Contains subroutines to read/write binary files
bafrio.f90	This version of bafrio.f is revised to have byteswap in FORTRAN data file control words
byteswap.c	This file contains various implementations of fast byteswapping routines
chk_endianc.f90	Find endianness of files on a machine
clib.h	Include file to define variables for Fortran to C interface(s) revision history
fast-byteswap.h	Header file for byteswap functions