diff options
Diffstat (limited to 'libc/include/getopt.h')
| -rw-r--r-- | libc/include/getopt.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libc/include/getopt.h b/libc/include/getopt.h new file mode 100644 index 0000000..6b4954b --- /dev/null +++ b/libc/include/getopt.h @@ -0,0 +1,85 @@ +/* $OpenBSD: getopt.h,v 1.1 2002/12/03 20:24:29 millert Exp $ */ +/* $NetBSD: getopt.h,v 1.4 2000/07/07 10:43:54 ad Exp $ */ + +/*- + * Copyright (c) 2000 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Dieter Baron and Thomas Klausner. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _GETOPT_H_ +#define _GETOPT_H_ + +#include <sys/cdefs.h> + +/* + * GNU-like getopt_long() and 4.4BSD getsubopt()/optreset extensions + */ +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 + +struct option { + /* name of long option */ + const char *name; + /* + * one of no_argument, required_argument, and optional_argument: + * whether option takes an argument + */ + int has_arg; + /* if not NULL, set *flag to val when option found */ + int *flag; + /* if flag not NULL, value to set *flag to; else return value */ + int val; +}; + +__BEGIN_DECLS +int getopt_long(int, char * const *, const char *, + const struct option *, int *); +int getopt_long_only(int, char * const *, const char *, + const struct option *, int *); +#ifndef _GETOPT_DEFINED_ +#define _GETOPT_DEFINED_ +int getopt(int, char * const *, const char *); +int getsubopt(char **, char * const *, char **); + +extern char *optarg; /* getopt(3) external variables */ +extern int opterr; +extern int optind; +extern int optopt; +extern int optreset; +extern char *suboptarg; /* getsubopt(3) external variable */ +#endif +__END_DECLS + +#endif /* !_GETOPT_H_ */ |