/*
 * temperature_conversion_function.c
 *
 *  Rewrite the temperature conversion program to use a function.
 *  K&R Exercise 1.15
 *
 */


#include <stdio.h>


#define LOWER   -100
#define UPPER   100
#define STEP    10


float c2f(float celsius);


int
main()
{
    // Add your code here
    int celsius;
    float fahr;

    celsius = LOWER;
    while (celsius <= UPPER) {
        fahr = c2f(celsius);
        printf("Celsius: %3d \t Fahrenheit: %6.2f\n", celsius, fahr);
        celsius = celsius + STEP;
    }
    return 0;
}


float
c2f(float celsius)
{
    float fahr;
    fahr = 9/5.0 * celsius + 32;
    celsius = 0.0;      // this line does not have any effect
    return fahr;
}