wireshark/epan/dissectors/packet-erf.h

31 lines
1.0 KiB
C

/* packet-erf.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PACKET_ERF_H__
#define __PACKET_ERF_H__
/** Gets the ERF extension header of the specified type,
*
* Afterindex may be NULL, or set to a gint initialized to -1 and the function
* re-called in a loop to iterate through extension headers of hdrtype type.
*
* Note: pinfo is assumed to be a pointer to an ERF pinfo.
*
* @param pinfo Packet info of ERF record to get extension header of.
* @param hdrtype Type code of extension header. More headers bit is ignored.
* @param afterinstance Pointer to header index to begin searching at,
* exclusive.
* Updated with index of extension header found. If NULL or initialized to -1
* begin searching at the first extension header.
*
* @returns Pointer to extension header or NULL.
* */
guint64* erf_get_ehdr(packet_info *pinfo, guint8 hdrtype, gint* afterinstance);
#endif /* packet-erf.h */