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author | jkh <jkh@FreeBSD.org> | 1993-06-18 05:46:17 +0000 |
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committer | jkh <jkh@FreeBSD.org> | 1993-06-18 05:46:17 +0000 |
commit | 77629e160d558a58cca8b90f395ec5eba88b6bf0 (patch) | |
tree | 3595c61e4f85a1d3c1fb6ea6c1ede9ea8397ced7 /gnu/usr.bin/cvs/lib/getopt.h | |
download | FreeBSD-src-77629e160d558a58cca8b90f395ec5eba88b6bf0.zip FreeBSD-src-77629e160d558a58cca8b90f395ec5eba88b6bf0.tar.gz |
Updated CVS
Diffstat (limited to 'gnu/usr.bin/cvs/lib/getopt.h')
-rw-r--r-- | gnu/usr.bin/cvs/lib/getopt.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gnu/usr.bin/cvs/lib/getopt.h b/gnu/usr.bin/cvs/lib/getopt.h new file mode 100644 index 0000000..5f902de --- /dev/null +++ b/gnu/usr.bin/cvs/lib/getopt.h @@ -0,0 +1,102 @@ +/* declarations for getopt + Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. + + This program 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 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 General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* @(#)getopt.h 1.6 92/03/31 */ + +/* 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 *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, `optind' communicates from one call to the next + how much of ARGV has been scanned so far. */ + +extern int optind; + +/* Callers store zero here to inhibit the error message `getopt' prints + for unrecognized options. */ + +extern int opterr; + +/* Describe the long-named options requested by the application. + _GETOPT_LONG_OPTIONS is a vector of `struct option' terminated by an + element containing a name which is zero. + + The field `has_arg' is: + 0 if the option does not take an argument, + 1 if the option requires an argument, + 2 if the option takes an optional argument. + + If the field `flag' is nonzero, it points to a variable that is set + to the value given in the field `val' when the option is found, but + left unchanged if the option is not found. + + To have a long-named option do something other than set an `int' to + a compiled-in constant, such as set a value from `optarg', set the + option's `flag' field to zero and its `val' field to a nonzero + value (the equivalent single-letter option character, if there is + one). For long options that have a zero `flag' field, `getopt' + returns the contents of the `val' field. */ + +struct option +{ + char *name; + int has_arg; + int *flag; + int val; +}; + +#if __STDC__ +extern const struct option *_getopt_long_options; +#else +extern struct option *_getopt_long_options; +#endif + +/* If nonzero, '-' can introduce long-named options. + Set by getopt_long_only. */ + +extern int _getopt_long_only; + +/* The index in GETOPT_LONG_OPTIONS of the long-named option found. + Only valid when a long-named option has been found by the most + recent call to `getopt'. */ + +extern int option_index; + +#if __STDC__ +int gnu_getopt (int argc, char **argv, const char *shortopts); +int gnu_getopt_long (int argc, char **argv, const char *shortopts, + const struct option *longopts, int *longind); +int gnu_getopt_long_only (int argc, char **argv, const char *shortopts, + const struct option *longopts, int *longind); +#else +int gnu_getopt (); +int gnu_getopt_long (); +int gnu_getopt_long_only (); +#endif |