======Pointers1======

<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>

====Questions====
  * 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?