1 /* Definition of struct __locale_struct and __locale_t. 2 Copyright (C) 1997-2021 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 27 struct __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 41 typedef struct __locale_struct *__locale_t; 42 43 #endif /* bits/types/__locale_t.h */ 44