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/* 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;
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