Why do we have pointers other than void

Question

I know that we have different pointers like int, float, and char. A void pointer is the only pointer which can hold all o

Answer 1

When You use pointer to float or int (for example) compiler knows how many bytes it should take from memory (sizeof(int) for int* for example).

With void You would have to tell each time to compiler how many bytes it have to take (by writing (int*)some_void_ptr for example.

But this is great simplification.