#include <stdio.h>
#include <stdlib.h>

int main (void )
{
	// Declare a in integer
	float c,d;

	// Declar and integer pointer
	float *ptrC;

	// Some assgnments
	c = 10; // C now contains the value 10
	ptrC = &c;   // ptrC now 'Points' to c

	*ptrC = 20;

	// Get the value of c via the pointer and store in d
	d = *ptrC;  // d now contains 10
	printf ("The value in d is %f\n", d);

	// Change the value of c via the pointer ptrC
	*ptrC = 1;  //c now contains 1
	printf ("The value in c is %f\n", c);

	return 0;   // exit
}