======Project: Pointer Fun! ======

A project for CSCS 1320 by Paul Sechrist during the Spring 2013.

=====Objectives=====
This project is to help learn about pointers, what they are used for, and how to use them.

=====Code=====

==== Pointer Fun 1 ====

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

int main()
{
    char a, *b;

    a = 'a'; // what numeric value is being stored in the variable a? Why?
    b = &a;
    
    printf("a contains     '%c'\n", a);
    printf("a's address is 0x%X\n", &a);
    printf("-----------------------\n");
    printf("b dereferenced contains '%c'\n", *b);
    printf("b contains     0x%X\n", b);
    printf("b's address is 0x%X\n", &b);
    
    return(0);
}
</code>
==== Pointer Fun 2 ====

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

int main()
{
    char *a;
    
    a = (char *) malloc (sizeof(char));
    
    *a = 48;

    //fprintf(stdout, "*a is %c\n", *a);
    
    return(0);
}
</code>

==== Pointer Arrays ====
<code c 1>
#include <stdio.h>
#include <stdlib.h>

#define NUM_SCORES 5
#define SCORE0 87
#define SCORE1 92
#define SCORE2 97
#define SCORE3 83
#define SCORE4 79

int main()
{
    unsigned char *scores;
    float average;

    scores = (unsigned char *) malloc (sizeof(unsigned char) * NUM_SCORES);
    *(scores+0) = SCORE0;
    *(scores+1) = SCORE1;
    *(scores+2) = SCORE2;
    *(scores+3) = SCORE3;
    *(scores+4) = SCORE4;

    /* Please provide the equation to do average of the scores */
    //average = EQUATION TO DO AVERAGE
    
    /* Display the scores via array referencing and then the average.
     * %f can be used to display a floating point value. */
    //fprintf(stdout, "YOUR FORMATTED TEXT STRING", LIST OF VARIABLES);
    
    return(0);
}
</code>


=====Execution=====

<cli>

</cli>

=====Reflection=====
==== Pointer Fun 1 ====
 
  * What do the variables a and b have in common?
  * Where do they differ?
  * If you change variable **a**, what will happen to **b**?
  * If you change variable **b**, will it impact **a**?
  * How can you change **b** without breaking things?
==== Pointer Fun 2  ====
  * If we uncomment that **fprintf()** line, what will be displayed?
  * What is **malloc()** doing?
  * Why is it needed?

=====References=====