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/* Copyright (C) 1991-2019 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 string of multibyte characters in S to `wchar_t's in
PWCS, writing no more than N. Return the number written,
or (size_t) -1 if an invalid multibyte character is encountered. */
size_t
mbstowcs (wchar_t *pwcs, const char *s, size_t n)
{
mbstate_t state;
memset (&state, '\0', sizeof state);
/* Return how many we wrote (or maybe an error). */
return __mbsrtowcs (pwcs, &s, n, &state);
}
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