/* It's require to implement _isatty to have STDIN/STDOUT/STDERR buffered properly.  */
int _isatty(int file)
/* It's require to implement _isatty to have STDIN/STDOUT/STDERR buffered properly.  */
int _isatty(int file)
{
	if (file == STDIN_FILENO || file == STDOUT_FILENO || file == STDERR_FILENO) {
		return 1;
	}
	return 0;
}