srp_rsp_data_t
srp_rsp_data_t *data;
bzero(rsp, SRP_RSP_SIZE + sizeof (srp_rsp_data_t));
data = (srp_rsp_data_t *)bufp;
rsp->rsp_data_len = h2b32(sizeof (srp_rsp_data_t));
rsp_length += sizeof (srp_rsp_data_t);