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/* Internal declarations for getopt.
   Copyright (C) 1989-2018 Free Software Foundation, Inc.
   This file is part of the GNU C Library and is also part of gnulib.
   Patches to this file should be submitted to both projects.

   The GNU C Library 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 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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 the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef _GETOPT_INT_H
#define _GETOPT_INT_H	1

#include <getopt.h>

extern int _getopt_internal (int ___argc, char **___argv,
			     const char *__shortopts,
			     const struct option *__longopts, int *__longind,
			     int __long_only, int __posixly_correct);


/* Reentrant versions which can handle parsing multiple argument
   vectors at the same time.  */

/* Describe how to deal with options that follow non-option ARGV-elements.

   REQUIRE_ORDER means don't recognize them as options; stop option
   processing when the first non-option is seen.  This is what POSIX
   specifies should happen.

   PERMUTE means permute the contents of ARGV as we scan, so that
   eventually all the non-options are at the end.  This allows options
   to be given in any order, even with programs that were not written
   to expect this.

   RETURN_IN_ORDER is an option available to programs that were
   written to expect options and other ARGV-elements in any order
   and that care about the ordering of the two.  We describe each
   non-option ARGV-element as if it were the argument of an option
   with character code 1.

   The special argument '--' forces an end of option-scanning regardless
   of the value of 'ordering'.  In the case of RETURN_IN_ORDER, only
   '--' can cause 'getopt' to return -1 with 'optind' != ARGC.  */

enum __ord
  {
    REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
  };

/* Data type for reentrant functions.  */
struct _getopt_data
{
  /* These have exactly the same meaning as the corresponding global
     variables, except that they are used for the reentrant
     versions of getopt.  */
  int optind;
  int opterr;
  int optopt;
  char *optarg;

  /* Internal members.  */

  /* True if the internal members have been initialized.  */
  int __initialized;

  /* The next char to be scanned in the option-element
     in which the last option character we returned was found.
     This allows us to pick up the scan where we left off.

     If this is zero, or a null string, it means resume the scan
     by advancing to the next ARGV-element.  */
  char *__nextchar;

  /* See __ord above.  */
  enum __ord __ordering;

  /* Handle permutation of arguments.  */

  /* Describe the part of ARGV that contains non-options that have
     been skipped.  'first_nonopt' is the index in ARGV of the first
     of them; 'last_nonopt' is the index after the last of them.  */

  int __first_nonopt;
  int __last_nonopt;
};

/* The initializer is necessary to set OPTIND and OPTERR to their
   default values and to clear the initialization flag.  */
#define _GETOPT_DATA_INITIALIZER	{ 1, 1 }

extern int _getopt_internal_r (int ___argc, char **___argv,
			       const char *__shortopts,
			       const struct option *__longopts, int *__longind,
			       int __long_only, struct _getopt_data *__data,
			       int __posixly_correct);

extern int _getopt_long_r (int ___argc, char **___argv,
			   const char *__shortopts,
			   const struct option *__longopts, int *__longind,
			   struct _getopt_data *__data);

extern int _getopt_long_only_r (int ___argc, char **___argv,
				const char *__shortopts,
				const struct option *__longopts,
				int *__longind,
				struct _getopt_data *__data);

#endif /* getopt_int.h */
kc3-lang/gnulib/lib/getopt_int.h

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lib/getopt_int.h
