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/* Copyright (C) 1991-2022 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/>. */
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
/* Convert the `wchar_t' string in PWCS to a multibyte character string
in S, writing no more than N characters. Return the number of bytes
written, or (size_t) -1 if an invalid `wchar_t' was found. */
size_t
wcstombs (char *s, const wchar_t *pwcs, size_t n)
{
mbstate_t state;
memset (&state, '\0', sizeof state);
/* Return how many we wrote (or maybe an error). */
return __wcsrtombs (s, &pwcs, n, &state);
}
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