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/* getopt.h - declarations for getopt. */
/* Copyright (C) 1989-2020 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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 3 of the License, or
(at your option) any later version.
Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
*/
/* XXX THIS HAS BEEN MODIFIED FOR INCORPORATION INTO BASH XXX */
#ifndef _SH_GETOPT_H
#define _SH_GETOPT_H 1
#include "stdc.h"
/* For communication from `getopt' to the caller.
When `getopt' finds an option that takes an argument,
the argument value is returned here.
Also, when `ordering' is RETURN_IN_ORDER,
each non-option ARGV-element is returned here. */
extern char *sh_optarg;
/* Index in ARGV of the next element to be scanned.
This is used for communication to and from the caller
and for communication between successive calls to `getopt'.
On entry to `getopt', zero means this is the first call; initialize.
When `getopt' returns EOF, this is the index of the first of the
non-option elements that the caller should itself scan.
Otherwise, `sh_optind' communicates from one call to the next
how much of ARGV has been scanned so far. */
extern int sh_optind;
/* Callers store zero here to inhibit the error message `getopt' prints
for unrecognized options. */
extern int sh_opterr;
/* Set to an option character which was unrecognized. */
extern int sh_optopt;
/* Set to 1 when an unrecognized option is encountered. */
extern int sh_badopt;
extern int sh_getopt PARAMS((int, char *const *, const char *));
typedef struct sh_getopt_state
{
char *gs_optarg;
int gs_optind;
int gs_curopt;
char *gs_nextchar;
int gs_charindex;
int gs_flags;
} sh_getopt_state_t;
extern void sh_getopt_restore_state PARAMS((char **));
extern sh_getopt_state_t *sh_getopt_alloc_istate PARAMS((void));
extern void sh_getopt_dispose_istate PARAMS((sh_getopt_state_t *));
extern sh_getopt_state_t *sh_getopt_save_istate PARAMS((void));
extern void sh_getopt_restore_istate PARAMS((sh_getopt_state_t *));
#endif /* _SH_GETOPT_H */
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