/usr/include/lwres/ipv6.h is in libbind-dev 1:9.9.5.dfsg-9+deb8u15.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | /*
* Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 2000, 2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: ipv6.h,v 1.16 2007/06/19 23:47:23 tbox Exp $ */
#ifndef LWRES_IPV6_H
#define LWRES_IPV6_H 1
/*****
***** Module Info
*****/
/*! \file lwres/ipv6.h
* IPv6 definitions for systems which do not support IPv6.
*/
/***
*** Imports.
***/
#include <lwres/int.h>
#include <lwres/platform.h>
/***
*** Types.
***/
/*% in6_addr structure */
struct in6_addr {
union {
lwres_uint8_t _S6_u8[16];
lwres_uint16_t _S6_u16[8];
lwres_uint32_t _S6_u32[4];
} _S6_un;
};
/*@{*/
/*% IP v6 types */
#define s6_addr _S6_un._S6_u8
#define s6_addr8 _S6_un._S6_u8
#define s6_addr16 _S6_un._S6_u16
#define s6_addr32 _S6_un._S6_u32
/*@}*/
#define IN6ADDR_ANY_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}}
#define IN6ADDR_LOOPBACK_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }}}
LIBLWRES_EXTERNAL_DATA extern const struct in6_addr in6addr_any;
LIBLWRES_EXTERNAL_DATA extern const struct in6_addr in6addr_loopback;
/*% used in getaddrinfo.c and getnameinfo.c */
struct sockaddr_in6 {
#ifdef LWRES_PLATFORM_HAVESALEN
lwres_uint8_t sin6_len;
lwres_uint8_t sin6_family;
#else
lwres_uint16_t sin6_family;
#endif
lwres_uint16_t sin6_port;
lwres_uint32_t sin6_flowinfo;
struct in6_addr sin6_addr;
lwres_uint32_t sin6_scope_id;
};
#ifdef LWRES_PLATFORM_HAVESALEN
#define SIN6_LEN 1
#endif
/*% in6_pktinfo structure */
struct in6_pktinfo {
struct in6_addr ipi6_addr; /*%< src/dst IPv6 address */
unsigned int ipi6_ifindex; /*%< send/recv interface index */
};
/*!
* Unspecified IPv6 address
*/
#define IN6_IS_ADDR_UNSPECIFIED(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == 0) && \
((a)->s6_addr32[3] == 0))
/*
* Loopback
*/
#define IN6_IS_ADDR_LOOPBACK(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == 0) && \
((a)->s6_addr32[3] == htonl(1)))
/*
* IPv4 compatible
*/
#define IN6_IS_ADDR_V4COMPAT(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == 0) && \
((a)->s6_addr32[3] != 0) && \
((a)->s6_addr32[3] != htonl(1)))
/*
* Mapped
*/
#define IN6_IS_ADDR_V4MAPPED(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == htonl(0x0000ffff)))
#endif /* LWRES_IPV6_H */
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