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

[detail level 12]

▼ niftilib
nifti1.h	Official definition of the nifti1 header. Written by Bob Cox, SSCC, NIMH
nifti1_io.c	Main collection of nifti1 i/o routines
nifti1_io.h	Data structures for using nifti1_io API
▼ znzlib
znzlib.c	Low level i/o interface to compressed and noncompressed files. Written by Mark Jenkinson, FMRIB
znzlib.h