// header files
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

// local constants

/*
Name: Temperature Chart
Process: Accepts up to three numbers and prints out the Fahrenheit and Celcius
         degrees between the two numbers, with an optional step as third number.
Function input/parameters: argc and argv command line parameters
Function output/parameters: NONE
Function output/returned: NONE
Device input/---: NONE
Device output/---: NONE
Dependencies: included by standard libraries
*/
int main(int argc, char *argv[])
{
    // define local variables
    double start = atof(argv[1]), stop = atof(argv[2]);
    int step = 1;
    int tempIterator;
    // do calculations
    if(argc == 3 || argc == 2)
    {
        // do the temperature chart stuff here
        // check to see if a step is provided
        if(argc == 3)
        {
            step = atof(argv[3]);
        }
        // do the printing and looping
        printf("%f\t%f\n", start, start);
        for(tempIterator = 0; tempIterator < stop; tempIterator++)
        {
            // print out the temp and it's conversion
            printf("%f\t%f\n", );
        }
    }
    else
    {
        // fail program
        printf("Please provide two or three integers.\n");
        return -1;
    }
    // display results
    // done in do calculations
    // return success
    return 0;
}