wmradio/lists.h

   1 /*
   2  * Copyright (C) 12 Jun 2003 Tomas Cermak
   3  *
   4  * This file is part of wmradio program.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef _LISTS_H
  22 #define _LISTS_H
  23 #include <stdlib.h>
  24
  25 typedef struct _List List;
  26
  27 struct _List {
  28     List *prev, *next;
  29     void *data;
  30 };
  31
  32 typedef int (*list_for_each_function)(List *list,void *data);
  33
  34 List *list_new_item();
  35 List *list_last(List *list);
  36 List *list_add(List *list, List *newitem);
  37 List *list_add_data(List *list, void *data);
  38 List *list_node_with_data(List *list, void *data);
  39 int list_length(List *list);
  40 List *list_nth_node(List *list, int index);
  41 List *list_remove_node(List *list, List *node);
  42 List *list_delete_node(List *list, List *node);
  43 void list_for_each(List *list, list_for_each_function func, void *data);
  44 void list_free(List *list);
  45 int list_has_node(List *list, List *node);
  46
  47 #endif