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/* getopt_long and getopt_long_only entry points for GNU getopt.

   Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2005

     Free Software Foundation, Inc.

   NOTE: This source is derived from an old version taken from the GNU C

   Library (glibc).

   This program is free software; you can redistribute it and/or modify it

   under the terms of the GNU General Public License as published by the

   Free Software Foundation; either version 2, or (at your option) any

   later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,

   USA.  */

#ifdef HAVE_CONFIG_H

#include 

#endif

#if !defined __STDC__ || !__STDC__

/* This is a separate conditional since some stdc systems

   reject `defined (const)'.  */

#ifndef const

#define const

#endif

#endif

//#include 

#include "getopt.h"

/* Comment out all this code if we are using the GNU C Library, and are not

   actually compiling the library itself.  This code is part of the GNU C

   Library, but also included in many other GNU distributions.  Compiling

   and linking in this code is a waste when using the GNU C library

   (especially if it is a shared library).  Rather than having every GNU

   program understand `configure --with-gnu-libc' and omit the object files,

   it is simpler to just do this in the source for each such file.  */

#define GETOPT_INTERFACE_VERSION 2

#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2

#include 

#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION

#define ELIDE_CODE

#endif

#endif

#ifndef ELIDE_CODE

/* This needs to come after some library #include

   to get __GNU_LIBRARY__ defined.  */

#ifdef __GNU_LIBRARY__

#include 

#endif

#ifndef	NULL

#define NULL 0

#endif

int

getopt_long (int argc,  char *const *argv,  const char *options,

             const struct option *long_options, int *opt_index)

{

  return _getopt_internal (argc, argv, options, long_options, opt_index, 0);

}

/* Like getopt_long, but '-' as well as '--' can indicate a long option.

   If an option that starts with '-' (not '--') doesn't match a long option,

   but does match a short option, it is parsed as a short option

   instead.  */

int

getopt_long_only (int argc, char *const *argv, const char *options,

                  const struct option *long_options, int *opt_index)

{

  return _getopt_internal (argc, argv, options, long_options, opt_index, 1);

}

#endif	/* Not ELIDE_CODE.  */

#ifdef TEST

#include 

int

main (int argc, char **argv)

{

  int c;

  int digit_optind = 0;

  while (1)

    {

      int this_option_optind = optind ? optind : 1;

      int option_index = 0;

      static struct option long_options[] =

      {

	{"add", 1, 0, 0},

	{"append", 0, 0, 0},

	{"delete", 1, 0, 0},

	{"verbose", 0, 0, 0},

	{"create", 0, 0, 0},

	{"file", 1, 0, 0},

	{0, 0, 0, 0}

      };

      c = getopt_long (argc, argv, "abc:d:0123456789",

		       long_options, &option_index);

      if (c == -1)

	break;

      switch (c)

	{

	case 0:

	  printf ("option %s", long_options[option_index].name);

	  if (optarg)

	    printf (" with arg %s", optarg);

	  printf ("\n");

	  break;

	case '0':

	case '1':

	case '2':

	case '3':

	case '4':

	case '5':

	case '6':

	case '7':

	case '8':

	case '9':

	  if (digit_optind != 0 && digit_optind != this_option_optind)

	    printf ("digits occur in two different argv-elements.\n");

	  digit_optind = this_option_optind;

	  printf ("option %c\n", c);

	  break;

	case 'a':

	  printf ("option a\n");

	  break;

	case 'b':

	  printf ("option b\n");

	  break;

	case 'c':

	  printf ("option c with value `%s'\n", optarg);

	  break;

	case 'd':

	  printf ("option d with value `%s'\n", optarg);

	  break;

	case '?':

	  break;

	default:

	  printf ("?? getopt returned character code 0%o ??\n", c);

	}

    }

  if (optind < argc)

    {

      printf ("non-option ARGV-elements: ");

      while (optind < argc)

	printf ("%s ", argv[optind++]);

      printf ("\n");

    }

  exit (0);

}

#endif /* TEST */