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

Dead simple:

void* p;
*p; // compile error!

Or to put it in words; a void pointer can not be dereferenced.

Perhaps you should rename the question why do we have pointers, or rather don't and just search for that question on SO.