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diff --git a/apps/plugins/text_viewer/tv_bookmark.h b/apps/plugins/text_viewer/tv_bookmark.h
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+++ b/apps/plugins/text_viewer/tv_bookmark.h
@@ -0,0 +1,85 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Gilles Roux
+ *               2003 Garrett Derner
+ *               2010 Yoshihisa Uchida
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef PLUGIN_TEXT_VIEWER_BOOKMARK_H
+#define PLUGIN_TEXT_VIEWER_BOOKMARK_H
+
+#include "tv_screen_pos.h"
+
+/* stuff for the bookmarking */
+
+/* Maximum amount of register possible bookmarks */
+#define TV_MAX_BOOKMARKS 16
+
+/* initialize the bookmark module */
+void tv_init_bookmark(void);
+
+/*
+ * get the positions which registered bookmarks
+ *
+ * [Out] pos_array
+ *          the array which store positions of all bookmarks
+ *
+ * return
+ *     bookmark count
+ */
+int tv_get_bookmark_positions(struct tv_screen_pos *pos_array);
+
+/*
+ * the function that a bookmark add when there is not a bookmark in the given position
+ * or the bookmark remove when there exist a bookmark in the given position.
+ */
+void tv_toggle_bookmark(void);
+
+/*
+ * The menu that can select registered bookmarks is displayed, one is selected from
+ * among them, and moves to the page which selected bookmarks.
+ */
+void tv_select_bookmark(void);
+
+/* creates system bookmark */
+void tv_create_system_bookmark(void);
+
+/*
+ * serialize the bookmark array
+ *
+ * [In] fd
+ *        the file descripter which is stored the result.
+ *
+ * Return
+ *     the size of the result
+ */
+int tv_serialize_bookmarks(int fd);
+
+/*
+ * deserialize the bookmark array
+ *
+ * [In] fd
+ *       the file descripter which is stored the serialization of the bookmark array.
+ *
+ * Return
+ *     true  success
+ *     false failure
+ */
+bool tv_deserialize_bookmarks(int fd);
+
+#endif