*=======================================================================
* WCSLIB 8.9 - an implementation of the FITS WCS standard.
* Copyright (C) 1995-2026, Mark Calabretta
*
* This file is part of WCSLIB.
*
* WCSLIB is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* WCSLIB is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with WCSLIB.  If not, see http://www.gnu.org/licenses.
*
* Author: Mark Calabretta, Australia Telescope National Facility, CSIRO.
* http://www.atnf.csiro.au/computing/software/wcs
* $Id: fitshdr.inc,v 8.9 2026/06/18 13:00:04 mcalabre Exp $
*=======================================================================

*     Functions.
      EXTERNAL  KEYIDPUT, KEYIDPTC,
     :          KEYIDGET, KEYIDGTC,           KEYIDGTI,
     :          KEYGET,   KEYGTC,   KEYGTD,   KEYGTI,
     :          FREEKEYS, FITSHDR

      INTEGER   KEYIDPUT, KEYIDPTC,
     :          KEYIDGET, KEYIDGTC,           KEYIDGTI,
     :          KEYGET,   KEYGTC,   KEYGTD,   KEYGTI,
     :          FREEKEYS, FITSHDR

*     Length of FITSKEY and FITSKEYID data structures (INTEGER arrays)
*     on 64-bit machines.  These are the same for 32-bit machines.
      INTEGER   KEYLEN, KEYIDLEN
      PARAMETER (KEYLEN = 48)
      PARAMETER (KEYIDLEN = 6)

*     Codes for KEYID data structure elements used by KEYIDPUT/GET.
      INTEGER   KEYID_NAME, KEYID_COUNT, KEYID_IDX

      PARAMETER (KEYID_NAME    = 100)
      PARAMETER (KEYID_COUNT   = 101)
      PARAMETER (KEYID_IDX     = 102)

*     Codes for KEY data structure elements used by KEYGET.
      INTEGER   KEY_KEYNO, KEY_KEYID, KEY_STATUS, KEY_KEYWORD, KEY_TYPE,
     :          KEY_KEYVALUE, KEY_ULEN, KEY_COMMENT

      PARAMETER (KEY_KEYNO     = 200)
      PARAMETER (KEY_KEYID     = 201)
      PARAMETER (KEY_STATUS    = 202)
      PARAMETER (KEY_KEYWORD   = 203)
      PARAMETER (KEY_TYPE      = 204)
      PARAMETER (KEY_KEYVALUE  = 205)
      PARAMETER (KEY_ULEN      = 206)
      PARAMETER (KEY_COMMENT   = 207)

*     Error codes and messages.
      INTEGER   FITSHDRERR_SUCCESS, FITSHDRERR_NULL_POINTER,
     :          FITSHDRERR_MEMORY, FITSHDRERR_FLEX_PARSER

      PARAMETER (FITSHDRERR_SUCCESS      = 0)
      PARAMETER (FITSHDRERR_NULL_POINTER = 1)
      PARAMETER (FITSHDRERR_MEMORY       = 2)
      PARAMETER (FITSHDRERR_FLEX_PARSER  = 3)

      CHARACTER FITSHDR_ERRMSG(0:3)*80
      COMMON /FITSHDR_DATA/ FITSHDR_ERRMSG
