Commit 012e89e8 authored by Per Cederqvist's avatar Per Cederqvist
Browse files

From GNU hello 1.3

parent 43da6bf1
/* Declarations for getopt.
Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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 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
......@@ -13,10 +13,14 @@
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _GETOPT_H_
#define _GETOPT_H_
#ifndef _GETOPT_H
#define _GETOPT_H 1
#ifdef __cplusplus
extern "C" {
#endif
/* For communication from `getopt' to the caller.
When `getopt' finds an option that takes an argument,
......@@ -45,6 +49,10 @@ extern int optind;
extern int opterr;
/* Set to an option character which was unrecognized. */
extern int optopt;
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
of `struct option' terminated by an element containing a name which is
......@@ -68,7 +76,7 @@ extern int opterr;
struct option
{
#ifdef __STDC__
#if __STDC__
const char *name;
#else
char *name;
......@@ -82,15 +90,19 @@ struct option
/* Names for the values of the `has_arg' field of `struct option'. */
enum _argtype
{
no_argument,
required_argument,
optional_argument
};
#define no_argument 0
#define required_argument 1
#define optional_argument 2
#ifdef __STDC__
#if __STDC__
#if defined(__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);
#else /* not __GNU_LIBRARY__ */
extern int getopt ();
#endif /* not __GNU_LIBRARY__ */
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,
......@@ -110,4 +122,8 @@ extern int getopt_long_only ();
extern int _getopt_internal ();
#endif /* not __STDC__ */
#endif /* _GETOPT_H_ */
#ifdef __cplusplus
}
#endif
#endif /* _GETOPT_H */
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