#include <stdio.h>

#define KPM 1.609344

int main()
{
	float kilometers,miles;
	float *pmiles,*k_address;

	printf("Enter a value in miles: ");
	scanf("%f",&miles);

	kilometers = miles*KPM;

	printf("%.2f miles works out to %.2f kilometers.\n",miles,kilometers);

	pmiles = &miles;		/* initialize pointer */
	k_address = &kilometers;
	printf("Variable 'miles' is %d bytes long at %p address.\n",
			sizeof(miles),pmiles);
	printf("Variable 'kilometers' is %d bytes long at %p address.\n",
			sizeof(kilometers),k_address);
	return(0);
}