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comparison chipsetsw/drivers/drv_app/ffs/board/win32/getopt.h @ 0:509db1a7b7b8

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initial import: leo2moko-r1
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 01 Jun 2015 03:24:05 +0000
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1 /* Declarations for getopt.
2 Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
3
4 NOTE: The canonical source of this file is maintained with the GNU C Library.
5 Bugs can be reported to bug-glibc@gnu.org.
6
7 This program is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2, or (at your option) any
10 later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
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. */
21
22 #ifndef _GETOPT_H
23 #define _GETOPT_H 1
24
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28
29 /* For communication from `getopt' to the caller.
30 When `getopt' finds an option that takes an argument,
31 the argument value is returned here.
32 Also, when `ordering' is RETURN_IN_ORDER,
33 each non-option ARGV-element is returned here. */
34
35 extern char *optarg;
36
37 /* Index in ARGV of the next element to be scanned.
38 This is used for communication to and from the caller
39 and for communication between successive calls to `getopt'.
40
41 On entry to `getopt', zero means this is the first call; initialize.
42
43 When `getopt' returns -1, this is the index of the first of the
44 non-option elements that the caller should itself scan.
45
46 Otherwise, `optind' communicates from one call to the next
47 how much of ARGV has been scanned so far. */
48
49 extern int optind;
50
51 /* Callers store zero here to inhibit the error message `getopt' prints
52 for unrecognized options. */
53
54 extern int opterr;
55
56 /* Set to an option character which was unrecognized. */
57
58 extern int optopt;
59
60 /* Describe the long-named options requested by the application.
61 The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
62 of `struct option' terminated by an element containing a name which is
63 zero.
64
65 The field `has_arg' is:
66 no_argument (or 0) if the option does not take an argument,
67 required_argument (or 1) if the option requires an argument,
68 optional_argument (or 2) if the option takes an optional argument.
69
70 If the field `flag' is not NULL, it points to a variable that is set
71 to the value given in the field `val' when the option is found, but
72 left unchanged if the option is not found.
73
74 To have a long-named option do something other than set an `int' to
75 a compiled-in constant, such as set a value from `optarg', set the
76 option's `flag' field to zero and its `val' field to a nonzero
77 value (the equivalent single-letter option character, if there is
78 one). For long options that have a zero `flag' field, `getopt'
79 returns the contents of the `val' field. */
80
81 struct option
82 {
83 #if defined (__STDC__) && __STDC__
84 const char *name;
85 #else
86 char *name;
87 #endif
88 /* has_arg can't be an enum because some compilers complain about
89 type mismatches in all the code that assumes it is an int. */
90 int has_arg;
91 int *flag;
92 int val;
93 };
94
95 /* Names for the values of the `has_arg' field of `struct option'. */
96
97 #define no_argument 0
98 #define required_argument 1
99 #define optional_argument 2
100
101 #if defined (__STDC__) && __STDC__
102 #ifdef __GNU_LIBRARY__
103 /* Many other libraries have conflicting prototypes for getopt, with
104 differences in the consts, in stdlib.h. To avoid compilation
105 errors, only prototype getopt for the GNU C library. */
106 extern int getopt (int argc, char *const *argv, const char *shortopts);
107 #else /* not __GNU_LIBRARY__ */
108 extern int getopt ();
109 #endif /* __GNU_LIBRARY__ */
110 extern int getopt_long (int argc, char *const *argv, const char *shortopts,
111 const struct option *longopts, int *longind);
112 extern int getopt_long_only (int argc, char *const *argv,
113 const char *shortopts,
114 const struct option *longopts, int *longind);
115
116 /* Internal only. Users should not call this directly. */
117 extern int _getopt_internal (int argc, char *const *argv,
118 const char *shortopts,
119 const struct option *longopts, int *longind,
120 int long_only);
121 #else /* not __STDC__ */
122 extern int getopt ();
123 extern int getopt_long ();
124 extern int getopt_long_only ();
125
126 extern int _getopt_internal ();
127 #endif /* __STDC__ */
128
129 #ifdef __cplusplus
130 }
131 #endif
132
133 #endif /* getopt.h */