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/* Copyright (C) 1991, 1995, 1996, 1997, 1998 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, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#include <unistd.h>

#include <termios.h>

#include <machine/weakalias.h>

/* Return 1 if FD is a terminal, 0 if not.  */

int

__isatty (fd)

     int fd;

{

  struct termios term;

  return tcgetattr (fd, &term) == 0;

}

weak_alias (__isatty, isatty)