1/* getopt.h - declarations for getopt. */
2
3/* Copyright (C) 1989, 1990, 1991, 1992, 1993, 2008,2009 Free Software Foundation, Inc.
4
5   This file is part of GNU Bash, the Bourne Again SHell.
6
7   Bash is free software: you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation, either version 3 of the License, or
10   (at your option) any later version.
11
12   Bash 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
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
19*/
20
21/* XXX THIS HAS BEEN MODIFIED FOR INCORPORATION INTO BASH XXX */
22
23#ifndef _SH_GETOPT_H
24#define _SH_GETOPT_H 1
25
26#include "stdc.h"
27
28/* For communication from `getopt' to the caller.
29   When `getopt' finds an option that takes an argument,
30   the argument value is returned here.
31   Also, when `ordering' is RETURN_IN_ORDER,
32   each non-option ARGV-element is returned here.  */
33
34extern char *sh_optarg;
35
36/* Index in ARGV of the next element to be scanned.
37   This is used for communication to and from the caller
38   and for communication between successive calls to `getopt'.
39
40   On entry to `getopt', zero means this is the first call; initialize.
41
42   When `getopt' returns EOF, this is the index of the first of the
43   non-option elements that the caller should itself scan.
44
45   Otherwise, `sh_optind' communicates from one call to the next
46   how much of ARGV has been scanned so far.  */
47
48extern int sh_optind;
49
50/* Callers store zero here to inhibit the error message `getopt' prints
51   for unrecognized options.  */
52
53extern int sh_opterr;
54
55/* Set to an option character which was unrecognized.  */
56
57extern int sh_optopt;
58
59/* Set to 1 when an unrecognized option is encountered. */
60extern int sh_badopt;
61
62extern int sh_getopt __P((int, char *const *, const char *));
63extern void sh_getopt_restore_state __P((char **));
64
65#endif /* _SH_GETOPT_H */
66