2000-07-28 20:03:59 +00:00
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/* ptvcursor.h
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2002-08-28 21:04:11 +00:00
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*
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2000-07-28 20:03:59 +00:00
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* Proto Tree TVBuff cursor
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2001-11-13 23:55:44 +00:00
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* Gilbert Ramirez <gram@alumni.rice.edu>
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2000-07-28 20:03:59 +00:00
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*
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2006-05-21 05:12:17 +00:00
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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2000-07-28 20:03:59 +00:00
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* Copyright 2000 Gerald Combs
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2002-08-28 21:04:11 +00:00
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*
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2000-07-28 20:03:59 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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2002-08-28 21:04:11 +00:00
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*
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2000-07-28 20:03:59 +00:00
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2002-08-28 21:04:11 +00:00
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*
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2000-07-28 20:03:59 +00:00
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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2012-06-28 22:56:06 +00:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2000-07-28 20:03:59 +00:00
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*/
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2000-08-11 13:37:21 +00:00
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#ifndef __PTVCURSOR_H__
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#define __PTVCURSOR_H__
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2000-07-28 20:03:59 +00:00
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#include <glib.h>
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2002-01-21 07:37:49 +00:00
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#include <epan/packet.h>
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2013-03-01 23:53:11 +00:00
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#include "ws_symbol_export.h"
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2000-07-28 20:03:59 +00:00
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2007-03-30 00:21:39 +00:00
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#define SUBTREE_UNDEFINED_LENGTH -1
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2000-07-28 20:03:59 +00:00
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typedef struct ptvcursor ptvcursor_t;
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/* Allocates an initializes a ptvcursor_t with 3 variables:
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2008-05-20 06:28:12 +00:00
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* proto_tree, tvbuff, and offset. */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2000-07-28 20:03:59 +00:00
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ptvcursor_t*
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2008-05-20 06:28:12 +00:00
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ptvcursor_new(proto_tree* tree, tvbuff_t* tvb, gint offset);
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2000-07-28 20:03:59 +00:00
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/* Gets data from tvbuff, adds it to proto_tree, increments offset,
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* and returns proto_item* */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2000-07-28 20:03:59 +00:00
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proto_item*
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2010-05-24 06:06:17 +00:00
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ptvcursor_add(ptvcursor_t* ptvc, int hf, gint length, const guint encoding);
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2000-07-28 20:03:59 +00:00
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2002-01-10 04:44:34 +00:00
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/* Gets data from tvbuff, adds it to proto_tree, *DOES NOT* increment
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* offset, and returns proto_item* */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2002-01-10 04:44:34 +00:00
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proto_item*
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2010-05-24 06:06:17 +00:00
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ptvcursor_add_no_advance(ptvcursor_t* ptvc, int hf, gint length, const guint encoding);
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2002-01-10 04:44:34 +00:00
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2002-05-09 23:50:34 +00:00
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/* Advance the ptvcursor's offset within its tvbuff without
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* adding anything to the proto_tree. */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2002-05-09 23:50:34 +00:00
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void
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ptvcursor_advance(ptvcursor_t* ptvc, gint length);
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2000-07-28 20:03:59 +00:00
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/* Frees memory for ptvcursor_t, but nothing deeper than that. */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2000-07-28 20:03:59 +00:00
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void
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2008-05-20 06:28:12 +00:00
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ptvcursor_free(ptvcursor_t* ptvc);
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2000-07-28 20:03:59 +00:00
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2002-01-10 04:44:34 +00:00
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/* Returns tvbuff. */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2002-01-10 04:44:34 +00:00
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tvbuff_t*
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2008-05-20 06:28:12 +00:00
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ptvcursor_tvbuff(ptvcursor_t* ptvc);
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2002-01-10 04:44:34 +00:00
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/* Returns current offset. */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2002-01-10 04:44:34 +00:00
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gint
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2008-05-20 06:28:12 +00:00
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ptvcursor_current_offset(ptvcursor_t* ptvc);
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2002-01-10 04:44:34 +00:00
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2002-05-09 23:50:34 +00:00
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/* Returns the proto_tree* */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2002-05-09 23:50:34 +00:00
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proto_tree*
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ptvcursor_tree(ptvcursor_t* ptvc);
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/* Sets a new proto_tree* for the ptvcursor_t */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2002-05-09 23:50:34 +00:00
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void
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2008-05-20 06:28:12 +00:00
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ptvcursor_set_tree(ptvcursor_t* ptvc, proto_tree* tree);
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2002-05-09 23:50:34 +00:00
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2007-03-30 00:21:39 +00:00
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/* push a subtree in the tree stack of the cursor */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2008-05-20 06:28:12 +00:00
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proto_tree*
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ptvcursor_push_subtree(ptvcursor_t* ptvc, proto_item* it, gint ett_subtree);
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2007-03-30 00:21:39 +00:00
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/* pop a subtree in the tree stack of the cursor */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2008-05-20 06:28:12 +00:00
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void
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ptvcursor_pop_subtree(ptvcursor_t* ptvc);
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2007-03-30 00:21:39 +00:00
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/* Add an item to the tree and create a subtree
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* If the length is unknown, length may be defined as SUBTREE_UNDEFINED_LENGTH.
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* In this case, when the subtree will be closed, the parent item length will
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* be equal to the advancement of the cursor since the creation of the subtree.
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*/
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2008-05-20 06:28:12 +00:00
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proto_tree*
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ptvcursor_add_with_subtree(ptvcursor_t* ptvc, int hfindex, gint length,
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2010-05-24 06:06:17 +00:00
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const guint encoding, gint ett_subtree);
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2007-03-30 00:21:39 +00:00
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/* Add a text node to the tree and create a subtree
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* If the length is unknown, length may be defined as SUBTREE_UNDEFINED_LENGTH.
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* In this case, when the subtree will be closed, the item length will be equal
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* to the advancement of the cursor since the creation of the subtree.
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*/
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2008-05-20 06:28:12 +00:00
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proto_tree*
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ptvcursor_add_text_with_subtree(ptvcursor_t* ptvc, gint length,
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2014-07-06 13:34:38 +00:00
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gint ett_subtree, const char* format, ...)
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G_GNUC_PRINTF(4, 5);
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2007-03-30 00:21:39 +00:00
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/* Creates a subtree and adds it to the cursor as the working tree but does not
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* save the old working tree */
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2013-03-01 23:53:11 +00:00
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WS_DLL_PUBLIC
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2008-05-20 06:28:12 +00:00
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proto_tree*
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ptvcursor_set_subtree(ptvcursor_t* ptvc, proto_item* it, gint ett_subtree);
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2007-03-30 00:21:39 +00:00
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2000-07-28 20:03:59 +00:00
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#endif /* __PTVCURSOR_H__ */
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