I'm totally onboard with casting integers, and I can understand casting between pointers-to-char and pointers-to-other, but why on earth would you want to cast

I'm totally onboard with casting integers, and I can understand casting between pointers-to-char and pointers-to-other, but why on earth would you want to cast between pointers to (different) integers? That seems like asking for trouble, for no benefit I can discern...