text: /* 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>
  #include <glib/gnode.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;
  
  GLIB_AVAILABLE_IN_2_34
  GList*   g_list_copy_deep               (GList            *list,
  					 GCopyFunc         func,
  					 gpointer          user_data) 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__ */
  