int main(void) {
	int i;
	void *vp = &i; /* int* too void* */
	int *ip = vp; /* void* to int* */
	
	const int ci;
	const void *cvp = &ci; /* const int* to const void* */
	const int *cip = cvp; /* const void* to const int* */
	
	return 0;
}