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. */
36typedef __uint_least16_t char16_t;
37typedef __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. */
45extern 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. */
50extern 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. */
57extern 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. */
62extern 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