26   P->Next = Pointers;  in addPointer()
35     Pointers = P->Next;  in removePointer()
37     P->Prev->Next = P->Next;  in removePointer()
38   if (P->Next)  in removePointer()
39     P->Next->Prev = P->Prev;  in removePointer()
52     To->Prev->Next = To;  in movePointer()
53   To->Next = From->Next;  in movePointer()
54   if (To->Next)  in movePointer()
55     To->Next->Prev = To;  in movePointer()
60   From->Next = nullptr;  in movePointer()
69   Next = Root;  in DeadBlock()
75   for (Pointer *P = Blk->Pointers; P; P = P->Next)  in DeadBlock()
81     Prev->Next = Next;  in free()
82   if (Next)  in free()
83     Next->Prev = Prev;  in free()
85     Root = Next;  in free()