LDC_FLAG_REGISTERED_QUEUES
if (lp->flags & LDC_FLAG_REGISTERED_QUEUES) {
lp->flags &= ~LDC_FLAG_REGISTERED_QUEUES;
lp->flags |= LDC_FLAG_REGISTERED_QUEUES;
lp->flags &= ~LDC_FLAG_REGISTERED_QUEUES;
!(lp->flags & LDC_FLAG_REGISTERED_QUEUES) ||
!(lp->flags & LDC_FLAG_REGISTERED_QUEUES))
LDC_FLAG_REGISTERED_QUEUES);