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A universal pointer is a pointer variable that does not specify the type being pointed at. That is, it can be used to store any memory address regardless of the type of object actually stored at that address. It can be likened to a variable type, but you cannot dereference the memory address without providing some mechanism for determining the actual type stored at that memory address. Generally you would use a universal pointer when you don't actually care what type resides at the address, you are only interested in the address itself. But just as a typed pointer can point to 0 (or NULL), so can a universal pointer, which simply means it points at nothing at all.

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Martina Kuhic

Lvl 10
2y ago

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