dl_phys_addr_ack_t
dl_phys_addr_ack_t *physackp;
paddrlen = ((dl_phys_addr_ack_t *)mp->b_rptr)->dl_addr_length;
paddroff = ((dl_phys_addr_ack_t *)mp->b_rptr)->dl_addr_offset;
size = sizeof (dl_phys_addr_ack_t) + len;
dlp->physaddr_ack.dl_addr_offset = sizeof (dl_phys_addr_ack_t);
bcopy(addrp, mp->b_rptr + sizeof (dl_phys_addr_ack_t), len);
dl_phys_addr_ack_t *dlpap;
dlpap = (dl_phys_addr_ack_t *)mp->b_rptr;
dl_phys_addr_ack_t physaddr_ack;
#define DL_PHYS_ADDR_ACK_SIZE sizeof (dl_phys_addr_ack_t)