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/* Try locking I/O stream. Singlethreaded version.
Copyright (C) 1996-2025 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 <stdio.h>
#include <stdio-lock.h>
#include <sys/single_threaded.h>
int
__ftrylockfile (FILE *stream)
{
return _IO_lock_trylock (*stream->_lock);
}
weak_alias (__ftrylockfile, ftrylockfile);
weak_alias (__ftrylockfile, _IO_ftrylockfile)
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