/* Copyright (C) 2011-2024 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 <https://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> #include <bits/types.h> #include <bits/types/mbstate_t.h> /* Declare the C2x char8_t typedef in C2x modes, but only if the C++ __cpp_char8_t feature test macro is not defined. */ #if __GLIBC_USE (ISOC2X) && !defined __cpp_char8_t #if __GNUC_PREREQ (10, 0) && defined __cplusplus /* Suppress the diagnostic regarding char8_t being a keyword in C++20. */ # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wc++20-compat" #endif /* Define the 8-bit character type. */ typedef unsigned char char8_t; #if __GNUC_PREREQ (10, 0) && defined __cplusplus # pragma GCC diagnostic pop #endif #endif #ifndef __USE_ISOCXX11 /* Define the 16-bit and 32-bit character types. */ typedef __uint_least16_t char16_t; typedef __uint_least32_t char32_t; #endif __BEGIN_DECLS /* Declare the C2x mbrtoc8() and c8rtomb() functions in C2x modes or if the C++ __cpp_char8_t feature test macro is defined. */ #if __GLIBC_USE (ISOC2X) || defined __cpp_char8_t /* Write char8_t representation of multibyte character pointed to by S to PC8. */ extern size_t mbrtoc8 (char8_t *__restrict __pc8, const char *__restrict __s, size_t __n, mbstate_t *__restrict __p) __THROW; /* Write multibyte representation of char8_t C8 to S. */ extern size_t c8rtomb (char *__restrict __s, char8_t __c8, mbstate_t *__restrict __ps) __THROW; #endif /* 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 */

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