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#ifndef __LLIST_H
#define __LLIST_H
/*****************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 2001, Daniel Stenberg, <daniel@haxx.se>, et al
*
* In order to be useful for every potential user, curl and libcurl are
* dual-licensed under the MPL and the MIT/X-derivate licenses.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the MPL or the MIT/X-derivate
* licenses. You may pick one of these licenses.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
*****************************************************************************/
#include "setup.h"
#include <stddef.h>
typedef void (*curl_llist_dtor)(void *, void *);
typedef struct _curl_llist_element {
void *ptr;
struct _curl_llist_element *prev;
struct _curl_llist_element *next;
} curl_llist_element;
typedef struct _curl_llist {
curl_llist_element *head;
curl_llist_element *tail;
curl_llist_dtor dtor;
size_t size;
} curl_llist;
void curl_llist_init(curl_llist *, curl_llist_dtor);
curl_llist *curl_llist_alloc(curl_llist_dtor);
int curl_llist_insert_next(curl_llist *, curl_llist_element *, const void *);
int curl_llist_insert_prev(curl_llist *, curl_llist_element *, const void *);
int curl_llist_remove(curl_llist *, curl_llist_element *, void *);
int curl_llist_remove_next(curl_llist *, curl_llist_element *, void *);
size_t curl_llist_count(curl_llist *);
void curl_llist_destroy(curl_llist *, void *);
#define CURL_LLIST_HEAD(__l) ((__l)->head)
#define CURL_LLIST_TAIL(__l) ((__l)->tail)
#define CURL_LLIST_NEXT(__e) ((__e)->next)
#define CURL_LLIST_PREV(__e) ((__e)->prev)
#define CURL_LLIST_VALP(__e) ((__e)->ptr)
#define CURL_LLIST_IS_TAIL(__e) ((__e)->next ? 0 : 1)
#define CURL_LLIST_IS_HEAD(__e) ((__e)->prev ? 0 : 1)
#endif
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