GUARDED_HEAP_PAGE_FLAG_FIRST
if ((page.flags & GUARDED_HEAP_PAGE_FLAG_FIRST) == 0
if ((area->pages[i].flags & GUARDED_HEAP_PAGE_FLAG_FIRST) != 0)
page.flags |= GUARDED_HEAP_PAGE_FLAG_FIRST;
page->flags = GUARDED_HEAP_PAGE_FLAG_USED | GUARDED_HEAP_PAGE_FLAG_FIRST
if ((page.flags & GUARDED_HEAP_PAGE_FLAG_FIRST) == 0) {
| GUARDED_HEAP_PAGE_FLAG_FIRST | GUARDED_HEAP_PAGE_FLAG_AREA)) {
if ((page.flags & GUARDED_HEAP_PAGE_FLAG_FIRST) != 0)
if ((candidate.flags & GUARDED_HEAP_PAGE_FLAG_FIRST) == 0)