1/* Definition of struct __locale_struct and __locale_t.
2 Copyright (C) 1997-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _BITS_TYPES___LOCALE_T_H
20#define _BITS_TYPES___LOCALE_T_H 1
21
22/* POSIX.1-2008: the locale_t type, representing a locale context
23 (implementation-namespace version). This type should be treated
24 as opaque by applications; some details are exposed for the sake of
25 efficiency in e.g. ctype functions. */
26
27struct __locale_struct
28{
29 /* Note: LC_ALL is not a valid index into this array. */
30 struct __locale_data *__locales[13]; /* 13 = __LC_LAST. */
31
32 /* To increase the speed of this solution we add some special members. */
33 const unsigned short int *__ctype_b;
34 const int *__ctype_tolower;
35 const int *__ctype_toupper;
36
37 /* Note: LC_ALL is not a valid index into this array. */
38 const char *__names[13];
39};
40
41typedef struct __locale_struct *__locale_t;
42
43#endif /* bits/types/__locale_t.h */
44

source code of include/x86_64-linux-gnu/bits/types/__locale_t.h