/* GLIB - Library of useful routines for C programming

 * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald

 * Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

/*

 * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

 * file for a list of people on the GLib Team.  See the ChangeLog

 * files for a list of changes.  These files are distributed with

 * GLib at ftp://ftp.gtk.org/pub/gtk/. 

 */

#ifndef __G_LIST_H__

#define __G_LIST_H__

#include <_ansi.h>

#include <glib/gmem.h>

G_BEGIN_DECLS

typedef struct _GList GList;

struct _GList

{

  gpointer data;

  GList *next;

  GList *prev;

};

/* Doubly linked lists

 */

IMPORT_C GList*   g_list_alloc          (void);

IMPORT_C void     g_list_free           (GList            *list);

IMPORT_C void     g_list_free_1         (GList            *list);

#define  g_list_free1                   g_list_free_1

IMPORT_C GList*   g_list_append         (GList            *list,

					 gpointer          data) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_prepend        (GList            *list,

					 gpointer          data) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_insert                  (GList            *list,

					 gpointer          data,

					 gint              position) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_insert_sorted           (GList            *list,

					 gpointer          data,

					 GCompareFunc      func) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_insert_sorted_with_data (GList            *list,

					 gpointer          data,

					 GCompareDataFunc  func,

					 gpointer          user_data) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_insert_before  (GList            *list,

					 GList            *sibling,

					 gpointer          data) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_concat         (GList            *list1,

					 GList            *list2) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_remove         (GList            *list,

					 gconstpointer     data) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_remove_all     (GList            *list,

					 gconstpointer     data) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_remove_link    (GList            *list,

					 GList            *llink) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_delete_link    (GList            *list,

					 GList            *link_) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_reverse        (GList            *list);

IMPORT_C GList*   g_list_copy           (GList            *list);

IMPORT_C GList*   g_list_nth            (GList            *list,

					 guint             n);

IMPORT_C GList*   g_list_nth_prev       (GList            *list,

					 guint             n);

IMPORT_C GList*   g_list_find           (GList            *list,

					 gconstpointer     data);

IMPORT_C GList*   g_list_find_custom    (GList            *list,

					 gconstpointer     data,

					 GCompareFunc      func);

IMPORT_C gint     g_list_position       (GList            *list,

					 GList            *llink);

IMPORT_C gint     g_list_index          (GList            *list,

					 gconstpointer     data);

IMPORT_C GList*   g_list_last           (GList            *list);

IMPORT_C GList*   g_list_first          (GList            *list);

IMPORT_C guint    g_list_length         (GList            *list);

IMPORT_C void     g_list_foreach        (GList            *list,

					 GFunc             func,

					 gpointer          user_data);

IMPORT_C GList*   g_list_sort           (GList            *list,

					 GCompareFunc      compare_func) G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C GList*   g_list_sort_with_data (GList            *list,

					 GCompareDataFunc  compare_func,

					 gpointer          user_data)  G_GNUC_WARN_UNUSED_RESULT;

IMPORT_C gpointer g_list_nth_data       (GList            *list,

					 guint             n);

#define g_list_previous(list)	        ((list) ? (((GList *)(list))->prev) : NULL)

#define g_list_next(list)	        ((list) ? (((GList *)(list))->next) : NULL)

#ifndef G_DISABLE_DEPRECATED

IMPORT_C void     g_list_push_allocator          (gpointer          allocator);

IMPORT_C void     g_list_pop_allocator           (void);

#endif

G_END_DECLS

#endif /* __G_LIST_H__ */