pcp_sbl_req_t
pcp_sbl_req_t *req_ptr = NULL;
if ((req_ptr = (pcp_sbl_req_t *)umem_zalloc(sizeof (pcp_sbl_req_t),
send_msg.msg_len = sizeof (pcp_sbl_req_t);
umem_free(req_ptr, sizeof (pcp_sbl_req_t));