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/* 
 * 
 */

#ifndef DLIST_H
#define	DLIST_H

#include "ucx.h"
#include <stddef.h>

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct UcxDlist UcxDlist;
struct UcxDlist {
    void     *data;
    UcxDlist *restrict next;
    UcxDlist *restrict prev;
};

UcxDlist *restrict ucx_dlist_clone(UcxDlist *restrict l,
        copy_func fnc, void* data);
int ucx_dlist_equals(const UcxDlist *l1, const UcxDlist *l2,
        cmp_func fnc, void* data);

void ucx_dlist_free(UcxDlist *l);
UcxDlist *ucx_dlist_append(UcxDlist *l, void *data);
UcxDlist *ucx_dlist_prepend(UcxDlist *l, void *data);
UcxDlist *ucx_dlist_concat(UcxDlist *restrict l1, UcxDlist *restrict l2);
UcxDlist *ucx_dlist_last(const UcxDlist *l);
UcxDlist *ucx_dlist_get(const UcxDlist *l, int index);
size_t ucx_dlist_size(const UcxDlist *l);

UcxDlist *ucx_dlist_sort(UcxDlist *l, cmp_func fnc, void *data);

/* dlist specific functions */
UcxDlist *ucx_dlist_first(const UcxDlist *l);
UcxDlist *ucx_dlist_remove(UcxDlist *l, UcxDlist *e);

#ifdef	__cplusplus
}
#endif

#endif	/* DLIST_H */