#pragma once

#include <stdlib.h>
#include <inttypes.h>

typedef struct ListNode {
    void* data;
    struct ListNode *next;
} ListNode;

ListNode *list_init_head(void* data);
ListNode *list_add(ListNode *head, void* data); /* adds element with specified data to the end of the list and returns new head node. */
ListNode *list_find(ListNode *head, void* data); /* returns pointer of element with specified data in list. */
ListNode *list_element_at(ListNode *head, uint16_t index); /* returns pointer of element with specified index in list. */
ListNode *list_remove(ListNode *head, ListNode *ep); /* removes element from the list and returns new head node. */
void list_free(ListNode *head); /* deletes all elements of the list. */