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comparison lib-src/getopt.h @ 155:43dd3413c7c7 r20-3b4

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Import from CVS: tag r20-3b4
author cvs
date Mon, 13 Aug 2007 09:39:39 +0200
parents 376386a54a3c
children 74fd4e045ea6
comparison
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154:94141801dd7e 155:43dd3413c7c7
1 /* Declarations for getopt. 1 /* Declarations for getopt.
2 Copyright (C) 1989, 90, 91, 92, 93, 94 Free Software Foundation, Inc. 2 Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
3 3
4 This program is free software; you can redistribute it and/or modify it 4 NOTE: The canonical source of this file is maintained with the GNU C Library.
5 under the terms of the GNU General Public License as published by the 5 Bugs can be reported to bug-glibc@prep.ai.mit.edu.
6 Free Software Foundation; either version 2, or (at your option) any
7 later version.
8 6
9 This program is distributed in the hope that it will be useful, 7 This program is free software; you can redistribute it and/or modify it
10 but WITHOUT ANY WARRANTY; without even the implied warranty of 8 under the terms of the GNU General Public License as published by the
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 9 Free Software Foundation; either version 2, or (at your option) any
12 GNU General Public License for more details. 10 later version.
13 11
14 You should have received a copy of the GNU General Public License 12 This program is distributed in the hope that it will be useful,
15 along with this program; see the file COPYING. If not, write to 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 Boston, MA 02111-1307, USA. */ 15 GNU General Public License for more details.
18 16
19 /* Synched up with: FSF 19.29. */ 17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 USA. */
20 21
21 #ifndef _GETOPT_H 22 #ifndef _GETOPT_H
22 #define _GETOPT_H 1 23 #define _GETOPT_H 1
23 24
24 #ifdef __cplusplus 25 #ifdef __cplusplus
37 This is used for communication to and from the caller 38 This is used for communication to and from the caller
38 and for communication between successive calls to `getopt'. 39 and for communication between successive calls to `getopt'.
39 40
40 On entry to `getopt', zero means this is the first call; initialize. 41 On entry to `getopt', zero means this is the first call; initialize.
41 42
42 When `getopt' returns EOF, this is the index of the first of the 43 When `getopt' returns -1, this is the index of the first of the
43 non-option elements that the caller should itself scan. 44 non-option elements that the caller should itself scan.
44 45
45 Otherwise, `optind' communicates from one call to the next 46 Otherwise, `optind' communicates from one call to the next
46 how much of ARGV has been scanned so far. */ 47 how much of ARGV has been scanned so far. */
47 48
77 one). For long options that have a zero `flag' field, `getopt' 78 one). For long options that have a zero `flag' field, `getopt'
78 returns the contents of the `val' field. */ 79 returns the contents of the `val' field. */
79 80
80 struct option 81 struct option
81 { 82 {
82 #if defined (__STDC__) && __STDC__ || defined (STDC_HEADERS) 83 #if defined (__STDC__) && __STDC__
83 const char *name; 84 const char *name;
84 #else 85 #else
85 char *name; 86 char *name;
86 #endif 87 #endif
87 /* has_arg can't be an enum because some compilers complain about 88 /* has_arg can't be an enum because some compilers complain about
95 96
96 #define no_argument 0 97 #define no_argument 0
97 #define required_argument 1 98 #define required_argument 1
98 #define optional_argument 2 99 #define optional_argument 2
99 100
100 #if defined (__STDC__) && __STDC__ || defined (STDC_HEADERS) 101 #if defined (__STDC__) && __STDC__
101 #ifdef __GNU_LIBRARY__ 102 #ifdef __GNU_LIBRARY__
102 /* Many other libraries have conflicting prototypes for getopt, with 103 /* Many other libraries have conflicting prototypes for getopt, with
103 differences in the consts, in stdlib.h. To avoid compilation 104 differences in the consts, in stdlib.h. To avoid compilation
104 errors, only prototype getopt for the GNU C library. */ 105 errors, only prototype getopt for the GNU C library. */
105 extern int getopt (int argc, char *const *argv, const char *shortopts); 106 extern int getopt (int argc, char *const *argv, const char *shortopts);