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/*

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  isatty.c,v 1.3 2001/01/08 18:26:44 joel Exp

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include <sys/stat.h>

int isatty(

  int fd

)

{

  struct stat buf;

  if (fstat (fd, &buf) < 0)

    return 0;

  if (S_ISCHR (buf.st_mode))

    return 1;

  return 0;

}