1 /* Copyright (C) 2011-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library 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 GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 /* 19 * ISO C11 Standard: 7.28 20 * Unicode utilities <uchar.h> 21 */ 22 23 #ifndef _UCHAR_H 24 #define _UCHAR_H 1 25 26 #include <features.h> 27 28 #define __need_size_t 29 #include <stddef.h> 30 31 #include <bits/types.h> 32 #include <bits/types/mbstate_t.h> 33 34 #ifndef __USE_ISOCXX11 35 /* Define the 16-bit and 32-bit character types. */ 36 typedef __uint_least16_t char16_t; 37 typedef __uint_least32_t char32_t; 38 #endif 39 40 41 __BEGIN_DECLS 42 43 /* Write char16_t representation of multibyte character pointed 44 to by S to PC16. */ 45 extern size_t mbrtoc16 (char16_t *__restrict __pc16, 46 const char *__restrict __s, size_t __n, 47 mbstate_t *__restrict __p) __THROW; 48 49 /* Write multibyte representation of char16_t C16 to S. */ 50 extern size_t c16rtomb (char *__restrict __s, char16_t __c16, 51 mbstate_t *__restrict __ps) __THROW; 52 53 54 55 /* Write char32_t representation of multibyte character pointed 56 to by S to PC32. */ 57 extern size_t mbrtoc32 (char32_t *__restrict __pc32, 58 const char *__restrict __s, size_t __n, 59 mbstate_t *__restrict __p) __THROW; 60 61 /* Write multibyte representation of char32_t C32 to S. */ 62 extern size_t c32rtomb (char *__restrict __s, char32_t __c32, 63 mbstate_t *__restrict __ps) __THROW; 64 65 __END_DECLS 66 67 #endif /* uchar.h */ 68