void pointer in C

#include<stdlib.h>
int main() {
	int a = 7;
	float b = 7.6;
	void *p;
	p = &a;
	printf("Integer variable is = %d", *( (int*) p) );
	p = &b;
	printf("\nFloat variable is = %f", *( (float*) p) );
	return 0;
}