Stack Direction
Write function(s) to determine if the stack grows up or down
void __check_stack_direction(int *first_var) {
int second_var;
if (&second_var > first_var)
printf("stack grows up\n");
else
printf("stack grows down\n");
}
void check_stack_direction(void) {
int first_var;
__check_stack_direction(&first_var);
}