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      1 #ifndef HEADER_CURL_LLIST_H
      2 #define HEADER_CURL_LLIST_H
      3 /***************************************************************************
      4  *                                  _   _ ____  _
      5  *  Project                     ___| | | |  _ \| |
      6  *                             / __| | | | |_) | |
      7  *                            | (__| |_| |  _ <| |___
      8  *                             \___|\___/|_| \_\_____|
      9  *
     10  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) haxx.se>, et al.
     11  *
     12  * This software is licensed as described in the file COPYING, which
     13  * you should have received as part of this distribution. The terms
     14  * are also available at https://curl.haxx.se/docs/copyright.html.
     15  *
     16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     17  * copies of the Software, and permit persons to whom the Software is
     18  * furnished to do so, under the terms of the COPYING file.
     19  *
     20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     21  * KIND, either express or implied.
     22  *
     23  ***************************************************************************/
     24 
     25 #include "curl_setup.h"
     26 #include <stddef.h>
     27 
     28 typedef void (*curl_llist_dtor)(void *, void *);
     29 
     30 struct curl_llist_element {
     31   void *ptr;
     32   struct curl_llist_element *prev;
     33   struct curl_llist_element *next;
     34 };
     35 
     36 struct curl_llist {
     37   struct curl_llist_element *head;
     38   struct curl_llist_element *tail;
     39   curl_llist_dtor dtor;
     40   size_t size;
     41 };
     42 
     43 void Curl_llist_init(struct curl_llist *, curl_llist_dtor);
     44 void Curl_llist_insert_next(struct curl_llist *, struct curl_llist_element *,
     45                             const void *, struct curl_llist_element *node);
     46 void Curl_llist_remove(struct curl_llist *, struct curl_llist_element *,
     47                        void *);
     48 size_t Curl_llist_count(struct curl_llist *);
     49 void Curl_llist_destroy(struct curl_llist *, void *);
     50 void Curl_llist_move(struct curl_llist *, struct curl_llist_element *,
     51                      struct curl_llist *, struct curl_llist_element *);
     52 
     53 #endif /* HEADER_CURL_LLIST_H */
     54 
     55