215:/std/torch.c (/std/torch.c)
(public int) query_time(int flag = 0)
/*
 * Function name: query_time
 * Description:	  Query how long time the torch can burn
 * Argument:      flag: if true, then return the time until the
 *                torch burns out if the torch is lit
 * Returns:       int - the time left in seconds.
 */
