/* GLIB - Library of useful routines for C programming

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

 *

 * 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/.

 */

#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)

#error "Only <glib.h> can be included directly."

#endif

#ifndef __G_LIST_H__

#define __G_LIST_H__

#include <glib/gmem.h>

G_BEGIN_DECLS

typedef struct _GList GList;

struct _GList

{

  gpointer data;

  GList *next;

  GList *prev;

};

/* Doubly linked lists

 */

GList*   g_list_alloc                   (void) G_GNUC_WARN_UNUSED_RESULT;

void     g_list_free                    (GList            *list);

void     g_list_free_1                  (GList            *list);

#define  g_list_free1                   g_list_free_1

void     g_list_free_full               (GList            *list,

					 GDestroyNotify    free_func);

GList*   g_list_append                  (GList            *list,

					 gpointer          data) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_prepend                 (GList            *list,

					 gpointer          data) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_insert                  (GList            *list,

					 gpointer          data,

					 gint              position) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_insert_sorted           (GList            *list,

					 gpointer          data,

					 GCompareFunc      func) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_insert_sorted_with_data (GList            *list,

					 gpointer          data,

					 GCompareDataFunc  func,

					 gpointer          user_data) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_insert_before           (GList            *list,

					 GList            *sibling,

					 gpointer          data) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_concat                  (GList            *list1,

					 GList            *list2) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_remove                  (GList            *list,

					 gconstpointer     data) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_remove_all              (GList            *list,

					 gconstpointer     data) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_remove_link             (GList            *list,

					 GList            *llink) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_delete_link             (GList            *list,

					 GList            *link_) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_reverse                 (GList            *list) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_copy                    (GList            *list) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_nth                     (GList            *list,

					 guint             n);

GList*   g_list_nth_prev                (GList            *list,

					 guint             n);

GList*   g_list_find                    (GList            *list,

					 gconstpointer     data);

GList*   g_list_find_custom             (GList            *list,

					 gconstpointer     data,

					 GCompareFunc      func);

gint     g_list_position                (GList            *list,

					 GList            *llink);

gint     g_list_index                   (GList            *list,

					 gconstpointer     data);

GList*   g_list_last                    (GList            *list);

GList*   g_list_first                   (GList            *list);

guint    g_list_length                  (GList            *list);

void     g_list_foreach                 (GList            *list,

					 GFunc             func,

					 gpointer          user_data);

GList*   g_list_sort                    (GList            *list,

					 GCompareFunc      compare_func) G_GNUC_WARN_UNUSED_RESULT;

GList*   g_list_sort_with_data          (GList            *list,

					 GCompareDataFunc  compare_func,

					 gpointer          user_data)  G_GNUC_WARN_UNUSED_RESULT;

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)

G_END_DECLS

#endif /* __G_LIST_H__ */