/* Copyright (C) 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */

/*
* ISO C11 Standard: 7.28
* Unicode utilities <uchar.h>
*/

#ifndef _UCHAR_H
#define _UCHAR_H 1

#include <features.h>

#define __need_size_t
#include <stddef.h>
#define __need_mbstate_t
#include <wchar.h>

#ifndef __mbstate_t_defined
__BEGIN_NAMESPACE_C99
/* Public type. */
typedef __mbstate_t mbstate_t;
__END_NAMESPACE_C99
# define __mbstate_t_defined 1
#endif


#if defined __GNUC__ && !defined __USE_ISOCXX11
/* Define the 16-bit and 32-bit character types. Use the information
provided by the compiler. */
# if !defined __CHAR16_TYPE__ || !defined __CHAR32_TYPE__
# if defined __STDC_VERSION__ && __STDC_VERSION__ < 201000L
# error "<uchar.h> requires ISO C11 mode"
# else
# error "definitions of __CHAR16_TYPE__ and/or __CHAR32_TYPE__ missing"
# endif
# endif
typedef __CHAR16_TYPE__ char16_t;
typedef __CHAR32_TYPE__ char32_t;
#endif


__BEGIN_DECLS

/* Write char16_t representation of multibyte character pointed
to by S to PC16. */
extern size_t mbrtoc16 (char16_t *__restrict __pc16,
const char *__restrict __s, size_t __n,
mbstate_t *__restrict __p) __THROW;

/* Write multibyte representation of char16_t C16 to S. */
extern size_t c16rtomb (char *__restrict __s, char16_t __c16,
mbstate_t *__restrict __ps) __THROW;



/* Write char32_t representation of multibyte character pointed
to by S to PC32. */
extern size_t mbrtoc32 (char32_t *__restrict __pc32,
const char *__restrict __s, size_t __n,
mbstate_t *__restrict __p) __THROW;

/* Write multibyte representation of char32_t C32 to S. */
extern size_t c32rtomb (char *__restrict __s, char32_t __c32,
mbstate_t *__restrict __ps) __THROW;

__END_DECLS

#endif /* uchar.h */