/*
 * Project1.c
 * Chapter 5
 * John Stile
 * Purpose: Write a program that employes the function to get two floats from
 *          the user, then calculates the product, then output the product to
 *          the screen.
 */
#include <stdio.h>

float product(float xx, float yy) // header for function product, takes 2 floats, returns one float
{
  return xx*yy; // multiply yy by xx, and return  output to calling function
}

int main(void)
{
  float zz,xx,yy; // declare floating point variables xx and yy

  printf("Please enter first floating point number: "); // prompt for input
  scanf("%f", &xx); // input first float
  getchar(); // strip NULL from input buffer
  
  printf("Please enter second floating point number: "); // prompt for input
  scanf("%f", &yy); // input second  float
  getchar(); // strip NULL from input buffer
 
  zz=product(xx,yy);

  printf("The product of xx and yy = %12f*%12f = %12f\n", xx,yy,zz);
}