posix/getopt.h

   1 /* Declarations for getopt.
   2    Copyright (C) 1989-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Unlike the bulk of the getopt implementation, this file is NOT part
   5    of gnulib; gnulib also has a getopt.h but it is different.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, see
  19    <https://www.gnu.org/licenses/>.  */
  20
  21 #ifndef _GETOPT_H
  22 #define _GETOPT_H 1
  23
  24 #include <features.h>
  25
  26 /* The type of the 'argv' argument to getopt_long and getopt_long_only
  27    is properly 'char **', since both functions may write to the array
  28    (in order to move all the options to the beginning).  However, for
  29    compatibility with old versions of LSB, glibc has to use 'char *const *'
  30    instead.  */
  31 #ifndef __getopt_argv_const
  32 # define __getopt_argv_const const
  33 #endif
  34
  35 #include <bits/getopt_core.h>
  36 #include <bits/getopt_ext.h>
  37
  38 #endif /* getopt.h */