#include <stdio.h>

/* demo of a pointer */

int main() {

	float var1;
	float *ptrvar1;

	var1 = 460.5;

	printf("var1 is %f\n", var1);

	ptrvar1 = &var1;

	printf("The pointer is %u, which points to a location where %f is stored\n", ptrvar1, *ptrvar1);

	*ptrvar1 = 723.14;

	printf("Var1 is now %f\n", var1);
}