#include <stdio.h>
#include <math.h>

int main() {
	int i = 7;
	double d;
	void *p;
	int *q;

	p = &i;
	q = p;

	printf( "%d\n", *q );

	// This prints pi
	d = 4*atan( 1 );
	printf( "%f\n", d );

	p = &d;
	q = p;

	// Now C will interpret the floating-point
	// number as an integer

	printf( "%d\n", *q );

	return 0;
}