epan/dissectors/packet-erf.h

   1 /* packet-erf.h
   2  *
   3  * $Id$
   4  *
   5  * Wireshark - Network traffic analyzer
   6  * By Gerald Combs <gerald@wireshark.org>
   7  * Copyright 1998 Gerald Combs
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  22  */
  23
  24 #ifndef __PACKET_ERF_H__
  25 #define __PACKET_ERF_H__
  26
  27 /** Gets the ERF extension header of the specified type,
  28  *
  29  * Afterindex may be NULL, or set to a gint initialized to -1 and the function
  30  * re-called in a loop to iterate through extension headers of hdrtype type.
  31  *
  32  * Note: pinfo is assumed to be a pointer to an ERF pinfo.
  33  *
  34  * @param pinfo Packet info of ERF record to get extension header of.
  35  * @param hdrtype Type code of extension header. More headers bit is ignored.
  36  * @param afterinstance Pointer to header index to begin searching at,
  37  * exclusive.
  38  * Updated with index of extension header found. If NULL or initialized to -1
  39  * begin searching at the first extension header.
  40  *
  41  * @returns Pointer to extension header or NULL.
  42  * */
  43 guint64* erf_get_ehdr(packet_info *pinfo, guint8 hdrtype, gint* afterinstance);
  44 #endif /* packet-erf.h */