#pragma once

struct stack_node;

struct stack {
	struct stack_node* head;
};

struct stack new_stack();

void copy_stack(struct stack* dst, struct stack* src, void* (*copy)(void*));

void clear_stack(struct stack* s);

_Bool stack_empty(const struct stack* s);

void push_stack(struct stack* s, void* value);

void* pop_stack(struct stack* s);