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/* inet_ipv4.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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 program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __INET_IPV4_H__
#define __INET_IPV4_H__
#include <glib.h>
typedef guint32 ws_in4_addr; /* 32 bit IPv4 address, in network byte order */
/*
* We define these in *network byte order*, unlike the C library. Therefore
* it uses a different prefix than INADDR_* to make the distinction more obvious.
*/
#define WS_IN4_LOOPBACK ((ws_in4_addr)GUINT32_TO_BE(0x7f000001))
/**
* Unicast Local
* Returns true if the address is in the 224.0.0.0/24 local network
* control block
*/
#define in4_addr_is_local_network_control_block(addr) \
((addr & 0xffffff00) == 0xe0000000)
/**
* Multicast
* Returns true if the address is in the 224.0.0.0/4 network block
*/
#define in4_addr_is_multicast(addr) \
((addr & 0xf0000000) == 0xe0000000)
#endif
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