rtoc_hdr_t
rtoc_hdr_t hdr;
sizeof (rtoc_hdr_t), (uchar_t *)&hdr) != 1)
rtoc_td_t *tdp = (rtoc_td_t *)(rtoc + sizeof (rtoc_hdr_t));
rtoc_td_t *tdp = (rtoc_td_t *)(rtoc + sizeof (rtoc_hdr_t));
rtoc_td_t *tdp = (rtoc_td_t *)(rtoc + sizeof (rtoc_hdr_t));