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sortix--sortix/libc/include/getopt.h
2013-12-17 14:30:44 +01:00

59 lines
1.6 KiB
C

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
getopt.h
Command-line parsing facility.
*******************************************************************************/
#ifndef INCLUDE_GETOPT_H
#define INCLUDE_GETOPT_H
#include <sys/cdefs.h>
__BEGIN_DECLS
/* These declarations are repeated in <unistd.h>. */
#ifndef __getopt_unistd_shared_declared
#define __getopt_unistd_shared_declared
extern char* optarg;
extern int opterr;
extern int optind;
extern int optopt;
int getopt(int, char* const*, const char*);
#endif
struct option
{
const char* name;
int has_arg;
int* flag;
int val;
};
#define no_argument 0
#define required_argument 1
#define optional_argument 2
int getopt_long(int, char* const*, const char*, const struct option*, int*);
__END_DECLS
#endif