libflint/include/lflinkedlist.h

#ifndef LIBFLINT_LL_H
#define LIBFLINT_LL_H

#include <stddef.h>

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

typedef struct {
    size_t size;

    void (*destroy)(void* data);
    int (*match)(const void* a, const void* b);

    struct ListNode* head;
    struct ListNode* tail;
} List;

void ll_init(List* list, void (*destroy)(void *data));
void ll_destroy(List* list);
int ll_ins_next(List* list, ListNode* node, const void* data);
int ll_ins_prev(List* list, ListNode* node, const void* data);
int ll_remove(List* list, ListNode* node, void** data);
int ll_remove_next(List* list, ListNode* node, void** data);
int ll_remove_prev(List* list, ListNode* node, void** data);

#endif