HOST_TQINPOS
if ((ahd->tqinfifonext & (HOST_TQINPOS - 1)) == 1) {
hs_mailbox &= ~HOST_TQINPOS;
hs_mailbox |= ahd->tqinfifonext & HOST_TQINPOS;
if ((ahc->tqinfifonext & (HOST_TQINPOS - 1)) == 1) {
hs_mailbox &= ~HOST_TQINPOS;
hs_mailbox |= ahc->tqinfifonext & HOST_TQINPOS;
ahc->tqinfifonext & HOST_TQINPOS);