one_pointer.c

int main()
{
    IntStack* stack = IntStackClass.new();
    for (int i = 5; i > 0; i--) {
        stack->_->push(stack, i);
    }
    printf("At the top of the stack is `%d`\n\n", stack->_->peek(stack));
    while (!stack->_->isEmpty(stack)) {
        printf("`%d` was popped from the stack\n", stack->_->pop(stack));
    }
    stack->_->delete(&stack);
    return 0;
}