Creating & Using Pointers

     int *px;

     int x,y;

     int * px;

     x = 5;

     px = &x;

     printf("x = %d\n", x);

     printf("x = %d\n", *px);

     y = *px;

     printf("y = %d\n", y);

     *px = 10;

     printf("x = %d\n", x);

     printf("x = %d\n", *px);

     px = &y;

     *px = 15;

     printf("x = %d\n", x);

     printf("y = %d\n", y);

     printf("what = %d\n", *px);