def __leader(d, reclen):
    """ Unpack the leader into its separate values. """
    return reclen, d[0], d[1], d[2], d[3], d[4], int(d[5]), int(d[6]), int(d
        [7:12]), d[12], d[13], d[14], int(d[15]), int(d[16]), int(d[17]), int(d
        [18])
