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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;
}