Commit e1e86c97 authored by Richard M. Stallman's avatar Richard M. Stallman

Maybe include ctype.h.

Treat __cplusplus like __STDC__.
(decls): Use __ in arg names.
parent 062b24bf
/* Declarations for getopt.
Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@gnu.org.
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.
Copyright (C) 1989-1994, 1996-1999, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA. */
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _GETOPT_H
......@@ -23,6 +22,17 @@
# define _GETOPT_H 1
#endif
/* If __GNU_LIBRARY__ is not already defined, either we are being used
standalone, or this is the first header included in the source file.
If we are being used with glibc, we need to include <features.h>, but
that does not exist if we are standalone. So: if __GNU_LIBRARY__ is
not defined, include <ctype.h>, which will pull in <features.h> for us
if it's from glibc. (Why ctype.h? It's guaranteed to exist and it
doesn't flood the namespace with stuff the way some other headers do.) */
#if !defined __GNU_LIBRARY__
# include <ctype.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
......@@ -82,7 +92,7 @@ extern int optopt;
struct option
{
# if defined __STDC__ && __STDC__
# if (defined __STDC__ && __STDC__) || defined __cplusplus
const char *name;
# else
char *name;
......@@ -126,25 +136,26 @@ struct option
arguments to the option '\0'. This behavior is specific to the GNU
`getopt'. */
#if defined __STDC__ && __STDC__
#if (defined __STDC__ && __STDC__) || defined __cplusplus
# ifdef __GNU_LIBRARY__
/* Many other libraries have conflicting prototypes for getopt, with
differences in the consts, in stdlib.h. To avoid compilation
errors, only prototype getopt for the GNU C library. */
extern int getopt (int __argc, char *const *__argv, const char *__shortopts);
extern int getopt (int ___argc, char *const *___argv, const char *__shortopts);
# else /* not __GNU_LIBRARY__ */
extern int getopt ();
# endif /* __GNU_LIBRARY__ */
# ifndef __need_getopt
extern int getopt_long (int argc, char *const *argv, const char *__shortopts,
extern int getopt_long (int ___argc, char *const *___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind);
extern int getopt_long_only (int argc, char *const *argv,
extern int getopt_long_only (int ___argc, char *const *___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind);
/* Internal only. Users should not call this directly. */
extern int _getopt_internal (int argc, char *const *argv,
extern int _getopt_internal (int ___argc, char *const *___argv,
const char *__shortopts,
const struct option *__longopts, int *__longind,
int __long_only);
......
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