dl_set_phys_addr_req_t
dl_set_phys_addr_req_t *setphysreqp;
setphysreqp->dl_addr_offset = sizeof (dl_set_phys_addr_req_t);
dl_set_phys_addr_req_t *dlp = (dl_set_phys_addr_req_t *)mp->b_rptr;
if (MBLKL(mp) < sizeof (dl_set_phys_addr_req_t) ||
dl_set_phys_addr_req_t *phyaddr;
phyaddr = (dl_set_phys_addr_req_t *)reqmp->b_rptr;
phyaddr->dl_addr_offset = sizeof (dl_set_phys_addr_req_t);
dl_set_phys_addr_req_t set_physaddr_req;
#define DL_SET_PHYS_ADDR_REQ_SIZE sizeof (dl_set_phys_addr_req_t)