SCB_PACKETIZED
scb->flags &= ~SCB_PACKETIZED;
packetized = (scb->flags & SCB_PACKETIZED) != 0;
&& (scb->flags & SCB_PACKETIZED) == 0
& (SCB_PACKETIZED|SCB_ACTIVE)) == SCB_ACTIVE
if ((scb->flags & SCB_PACKETIZED) != 0) {
if ((scb->flags & SCB_PACKETIZED) != 0) {
scb->flags |= SCB_PACKETIZED;