77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/* declarations for getopt
|
|
Copyright (C) 1989 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 1, 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. */
|
|
|
|
/* 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. */
|
|
|
|
struct option
|
|
{
|
|
char *name;
|
|
int has_arg;
|
|
int *flag;
|
|
int val;
|
|
};
|
|
|
|
extern struct option *_getopt_long_options;
|
|
|
|
/* Name of long-named option actually found.
|
|
Only changed when a long-named option is found. */
|
|
|
|
extern char *_getopt_option_name;
|
|
|
|
/* 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;
|
|
|