diff options
Diffstat (limited to 'include/getopt.h')
| -rw-r--r-- | include/getopt.h | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/include/getopt.h b/include/getopt.h index 7dfb6e6..45541f5 100644 --- a/include/getopt.h +++ b/include/getopt.h @@ -1,19 +1,19 @@ /* 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 Library General Public License as published - by the Free Software Foundation; either version 2, or (at your option) - any later version. + 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 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 Library General Public - License along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _GETOPT_H #define _GETOPT_H 1 @@ -49,6 +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 @@ -84,23 +88,21 @@ struct option int val; }; -/* Names for the values of the `has_arg' field of `struct option'. - We wouldn't mind doing this: - enum _argtype - { - no_argument, - required_argument, - optional_argument - }; - ...if we could also change the "int has_arg" above. For now, use - defines. */ - -#define no_argument 0 -#define required_argument 1 -#define optional_argument 2 +/* Names for the values of the `has_arg' field of `struct option'. */ + +#define no_argument 0 +#define required_argument 1 +#define optional_argument 2 #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, |