/*
 * This file is part of MXE. See LICENSE.md for licensing information.
 */

#include <string.h>
#include <stdio.h>
#include <fitsio.h>

int main(int argc, char *argv[])
{
    (void)argc;

    fitsfile *fptr;
    char card[FLEN_CARD];
    int status = 0,  nkeys, ii;  /* MUST initialize status */

    fits_open_file(&fptr, argv[1], READONLY, &status);
    fits_get_hdrspace(fptr, &nkeys, NULL, &status);

    for (ii = 1; ii <= nkeys; ii++)  {
      fits_read_record(fptr, ii, card, &status); /* read keyword */
      printf("%s\n", card);
    }
    printf("END\n\n");  /* terminate listing with END */
    fits_close_file(fptr, &status);

    if (status)          /* print any error messages */
        fits_report_error(stderr, status);
    return(status);
}