ISP_QUEUE_ENTRY
addr = ISP_QUEUE_ENTRY(isp->isp_atioq, oop);
hp = (isphdr_t *) ISP_QUEUE_ENTRY(isp->isp_result, cptr);
hp = (isphdr_t *)ISP_QUEUE_ENTRY(isp->isp_result, sptr);
qe1 = ISP_QUEUE_ENTRY(isp->isp_rquest, nxt);
return (ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx));