BPT_ACTIVE
if (Bp->flags & BPT_ACTIVE)
Bp->flags &= ~BPT_ACTIVE;
if ((Bp->flags & BPT_ACTIVE) &&
Bp->flags &= ~BPT_ACTIVE;
active = (Bp->flags & BPT_ACTIVE);
Bp->flags |= BPT_ACTIVE;
Bp->flags &= ~BPT_ACTIVE;
if (!active || !(Bp->flags & BPT_ACTIVE)) {
Bp->flags &= ~BPT_ACTIVE;
if ((Bp = get_bkpt(pc)) != NULL && (Bp->flags & BPT_ACTIVE))
Bp->flags |= BPT_ACTIVE;
if (!(Bp->flags & BPT_ACTIVE)) {
Bp->flags |= BPT_ACTIVE;
Bp->flags &= ~BPT_ACTIVE;