fc_rnid_hdr_t
req_len = FCIO_RNID_MAX_DATA_LEN + sizeof (fc_rnid_hdr_t);
bcopy(rnid_acc, &acc.hdr, sizeof (fc_rnid_hdr_t));
rnid_cnt = sizeof (ls_code_t) + sizeof (fc_rnid_hdr_t) +
fc_rnid_hdr_t hdr;