cfitsio: cfitsio (FITS file I/O library for C) cfitsio: cfitsio: cfitsio is a library of ANSI C routines for reading and writing cfitsio: FITS format data files. A set of Fortran-callable wrapper routines cfitsio: is also included for the convenience of Fortran programmers. cfitsio: cfitsio: Homepage: http://heasarc.gsfc.nasa.gov/fitsio cfitsio: cfitsio: cfitsio: cfitsio: