#include<stdlib.h>
#include<iostream.h>

const int STACK_SIZE = 100;

struct stack{
    int count;
    int data[STACK_SIZE];
};

void stack_init(struct stack &the_stack)
{
    the_stack.count = 0;
}

void stack_push(struct stack &the_stack, const int item)
{
    the_stack.data[the_stack.count] = item;
    ++the_stack.count;
}

int stack_pop(struct stack &the_stack)
{
    --the_stack.count;
    return(the_stack.data[the_stack.count]);
}

main()
{
    struct stack a_stack;
    stack_init(a_stack);

    stack_push(a_stack, 1);
    stack_push(a_stack, 2);
    stack_push(a_stack, 3);

    //Pop the items from the stack
    cout << "Expect a 3 ->" << stack_pop(a_stack) << '\n';
    cout << "Expect a 2 ->" << stack_pop(a_stack) << '\n';
    cout << "Expect a 1 ->" << stack_pop(a_stack) << '\n';

    return(0);
}