/usr/include/pgm-5.2/pgm/in.h is in libpgm-dev 5.2.122~dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Sections 5 and 8.2 of RFC 3678: Multicast group request
*
* Copyright (c) 2010 Miru Limited.
*
* 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 2.1 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
*/
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#ifndef __PGM_IN_H__
#define __PGM_IN_H__
#include <sys/types.h>
#include <sys/socket.h>
#include <pgm/types.h>
#if (!defined( __FreeBSD__ ) && !defined( __APPLE__ )) \
|| (defined( __APPLE__ ) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070)
/* section 5.1 of RFC 3678: basic (delta-based) protocol-independent multicast
* source filter APIs.
*
* required for OSX 10.6 and earlier.
*/
struct group_req
{
uint32_t gr_interface; /* interface index */
struct sockaddr_storage gr_group; /* group address */
};
struct group_source_req
{
uint32_t gsr_interface; /* interface index */
struct sockaddr_storage gsr_group; /* group address */
struct sockaddr_storage gsr_source; /* group source */
};
#endif /* section 5.1 of RFC 3678 */
/* section 8.2 of RFC 3678: protocol-independent full-state operations.
*
* required for OSX and FreeBSD.
*/
struct group_filter
{
uint32_t gf_interface; /* interface index */
struct sockaddr_storage gf_group; /* multicast address */
uint32_t gf_fmode; /* filter mode */
uint32_t gf_numsrc; /* number of sources */
struct sockaddr_storage gf_slist[1]; /* source address */
};
PGM_BEGIN_DECLS
/* nc */
PGM_END_DECLS
#endif /* __PGM_IN_H__ */
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