| | 1 | /* declarations for getopt |
| | 2 | Copyright (C) 1989 Free Software Foundation, Inc. |
| | 3 | |
| | 4 | This program is free software; you can redistribute it and/or modify |
| | 5 | it under the terms of the GNU General Public License as published by |
| | 6 | the Free Software Foundation; either version 1, or (at your option) |
| | 7 | any later version. |
| | 8 | |
| | 9 | This program is distributed in the hope that it will be useful, |
| | 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 12 | GNU General Public License for more details. |
| | 13 | |
| | 14 | You should have received a copy of the GNU General Public License |
| | 15 | along with this program; if not, write to the Free Software |
| | 16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| | 17 | |
| | 18 | /* For communication from `getopt' to the caller. |
| | 19 | When `getopt' finds an option that takes an argument, |
| | 20 | the argument value is returned here. |
| | 21 | Also, when `ordering' is RETURN_IN_ORDER, |
| | 22 | each non-option ARGV-element is returned here. */ |
| | 23 | |
| | 24 | extern char *optarg; |
| | 25 | |
| | 26 | /* Index in ARGV of the next element to be scanned. |
| | 27 | This is used for communication to and from the caller |
| | 28 | and for communication between successive calls to `getopt'. |
| | 29 | |
| | 30 | On entry to `getopt', zero means this is the first call; initialize. |
| | 31 | |
| | 32 | When `getopt' returns EOF, this is the index of the first of the |
| | 33 | non-option elements that the caller should itself scan. |
| | 34 | |
| | 35 | Otherwise, `optind' communicates from one call to the next |
| | 36 | how much of ARGV has been scanned so far. */ |
| | 37 | |
| | 38 | extern int optind; |
| | 39 | |
| | 40 | /* Callers store zero here to inhibit the error message `getopt' prints |
| | 41 | for unrecognized options. */ |
| | 42 | |
| | 43 | extern int opterr; |
| | 44 | |
| | 45 | /* Describe the long-named options requested by the application. |
| | 46 | _GETOPT_LONG_OPTIONS is a vector of `struct option' terminated by an |
| | 47 | element containing a name which is zero. |
| | 48 | The field `has_arg' is: |
| | 49 | 0 if the option does not take an argument, |
| | 50 | 1 if the option requires an argument, |
| | 51 | 2 if the option takes an optional argument. |
| | 52 | If the field `flag' is nonzero, it points to a variable that is set to |
| | 53 | the value given in the field `val' when the option is found, but |
| | 54 | left unchanged if the option is not found. */ |
| | 55 | |
| | 56 | struct option |
| | 57 | { |
| | 58 | char *name; |
| | 59 | int has_arg; |
| | 60 | int *flag; |
| | 61 | int val; |
| | 62 | }; |
| | 63 | |
| | 64 | extern struct option *_getopt_long_options; |
| | 65 | |
| | 66 | /* Name of long-named option actually found. |
| | 67 | Only changed when a long-named option is found. */ |
| | 68 | |
| | 69 | extern char *_getopt_option_name; |
| | 70 | |
| | 71 | /* The index in GETOPT_LONG_OPTIONS of the long-named option found. |
| | 72 | Only valid when a long-named option has been found by the most |
| | 73 | recent call to `getopt'. */ |
| | 74 | |
| | 75 | extern int option_index; |
| | 76 | |
projects / binutils.git / blame_incremental