Wireshark
4.3.0
The Wireshark network protocol analyzer
wsutil
inet_ipv4.h
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#ifndef __INET_IPV4_H__
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#define __INET_IPV4_H__
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#include <inttypes.h>
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#include <glib.h>
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typedef
uint32_t ws_in4_addr;
/* 32 bit IPv4 address, in network byte order */
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/*
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* We define these in *network byte order*, unlike the C library. Therefore
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* it uses a different prefix than INADDR_* to make the distinction more obvious.
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*/
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#define WS_IN4_LOOPBACK ((ws_in4_addr)GUINT32_TO_BE(0x7f000001))
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#define in4_addr_is_local_network_control_block(addr) \
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((addr & 0xffffff00) == 0xe0000000)
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#define in4_addr_is_multicast(addr) \
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((addr & 0xf0000000) == 0xe0000000)
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#define in4_addr_is_private(addr) \
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(((addr & 0xff000000) == 0x0a000000) || \
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((addr & 0xfff00000) == 0xac100000) || \
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((addr & 0xffff0000) == 0xc0a80000))
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#define in4_addr_is_link_local(addr) \
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((addr & 0xffff0000) == 0xa9fe0000)
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#endif
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