ENINT_COALESCE
ahd->hs_mailbox &= ~ENINT_COALESCE;
ahd->hs_mailbox |= ENINT_COALESCE;
enint_coal = ahd->hs_mailbox & ENINT_COALESCE;
enint_coal |= ENINT_COALESCE;
enint_coal &= ~ENINT_COALESCE;
if (enint_coal != (ahd->hs_mailbox & ENINT_COALESCE)) {
(enint_coal & ENINT_COALESCE) ? "en" : "dis",