CISTPLF_SPACE_MASK
cisptr->flags &= ~(CISTPLF_SPACE_MASK | CISTPLF_FROM_MASK);
cisptr->flags &= ~(CISTPLF_SPACE_MASK | CISTPLF_FROM_MASK);
tp->flags &= ~(CISTPLF_SPACE_MASK | CISTPLF_FROM_MASK |
tp->flags |= (ptr->flags & (CISTPLF_SPACE_MASK |
tp->flags &= ~CISTPLF_SPACE_MASK;
switch (tuple->CISOffset->flags & CISTPLF_SPACE_MASK) {