/* Copyright (C) 1991-2018 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/>.  */

#include "libioP.h"

#include "stdio.h"

#undef putchar

int

putchar (int c)

{

  int result;

  _IO_acquire_lock (_IO_stdout);

  result = _IO_putc_unlocked (c, _IO_stdout);

  _IO_release_lock (_IO_stdout);

  return result;

}

#if defined weak_alias && !defined _IO_MTSAFE_IO

#undef putchar_unlocked

weak_alias (putchar, putchar_unlocked)

#endif