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-/* Copyright (C) 1991,92,93,94,95,96,97,98,99 Free Software Foundation, Inc.
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- This file is part of the GNU C Library.
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-
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- The GNU C Library is free software; you can redistribute it and/or
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- modify it under the terms of the GNU Library General Public License as
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- published by the Free Software Foundation; either version 2 of the
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- License, or (at your option) any later version.
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-
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- The GNU C Library is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- Library General Public License for more details.
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-
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- You should have received a copy of the GNU Library General Public
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- License along with the GNU C Library; see the file COPYING.LIB. If not,
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- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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- Boston, MA 02111-1307, USA. */
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-
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-#ifndef _NETINET_IN_H
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-#define _NETINET_IN_H 1
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-
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-#include <features.h>
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-#include <limits.h>
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-#include <stdint.h>
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-
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-#include <sys/types.h>
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-#include <bits/socket.h>
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-
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-
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-__BEGIN_DECLS
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-
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-/* Standard well-defined IP protocols. */
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-enum
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- {
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- IPPROTO_IP = 0, /* Dummy protocol for TCP. */
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- IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */
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- IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
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- IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */
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- IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94). */
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- IPPROTO_TCP = 6, /* Transmission Control Protocol. */
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- IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */
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- IPPROTO_PUP = 12, /* PUP protocol. */
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- IPPROTO_UDP = 17, /* User Datagram Protocol. */
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- IPPROTO_IDP = 22, /* XNS IDP protocol. */
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- IPPROTO_TP = 29, /* SO Transport Protocol Class 4. */
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- IPPROTO_IPV6 = 41, /* IPv6 header. */
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- IPPROTO_ROUTING = 43, /* IPv6 routing header. */
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- IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */
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- IPPROTO_RSVP = 46, /* Reservation Protocol. */
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- IPPROTO_GRE = 47, /* General Routing Encapsulation. */
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- IPPROTO_ESP = 50, /* encapsulating security payload. */
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- IPPROTO_AH = 51, /* authentication header. */
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- IPPROTO_ICMPV6 = 58, /* ICMPv6. */
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- IPPROTO_NONE = 59, /* IPv6 no next header. */
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- IPPROTO_DSTOPTS = 60, /* IPv6 destination options. */
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- IPPROTO_MTP = 92, /* Multicast Transport Protocol. */
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- IPPROTO_ENCAP = 98, /* Encapsulation Header. */
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- IPPROTO_PIM = 103, /* Protocol Independent Multicast. */
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- IPPROTO_COMP = 108, /* Compression Header Protocol. */
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- IPPROTO_RAW = 255, /* Raw IP packets. */
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- IPPROTO_MAX
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- };
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-
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-/* Standard well-known ports. */
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-enum
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- {
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- IPPORT_ECHO = 7, /* Echo service. */
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- IPPORT_DISCARD = 9, /* Discard transmissions service. */
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- IPPORT_SYSTAT = 11, /* System status service. */
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- IPPORT_DAYTIME = 13, /* Time of day service. */
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- IPPORT_NETSTAT = 15, /* Network status service. */
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- IPPORT_FTP = 21, /* File Transfer Protocol. */
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- IPPORT_TELNET = 23, /* Telnet protocol. */
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- IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */
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- IPPORT_TIMESERVER = 37, /* Timeserver service. */
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- IPPORT_NAMESERVER = 42, /* Domain Name Service. */
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- IPPORT_WHOIS = 43, /* Internet Whois service. */
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- IPPORT_MTP = 57,
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-
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- IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */
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- IPPORT_RJE = 77,
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- IPPORT_FINGER = 79, /* Finger service. */
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- IPPORT_TTYLINK = 87,
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- IPPORT_SUPDUP = 95, /* SUPDUP protocol. */
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-
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-
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- IPPORT_EXECSERVER = 512, /* execd service. */
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- IPPORT_LOGINSERVER = 513, /* rlogind service. */
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- IPPORT_CMDSERVER = 514,
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- IPPORT_EFSSERVER = 520,
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-
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- /* UDP ports. */
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- IPPORT_BIFFUDP = 512,
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- IPPORT_WHOSERVER = 513,
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- IPPORT_ROUTESERVER = 520,
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-
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- /* Ports less than this value are reserved for privileged processes. */
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- IPPORT_RESERVED = 1024,
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-
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- /* Ports greater this value are reserved for (non-privileged) servers. */
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- IPPORT_USERRESERVED = 5000
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- };
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-
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-
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-/* Internet address. */
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-struct in_addr
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- {
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- uint32_t s_addr;
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- };
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-
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-
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-/* Definitions of the bits in an Internet address integer.
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-
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- On subnets, host and network parts are found according to
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- the subnet mask, not these masks. */
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-
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-#define IN_CLASSA(a) ((((uint32_t) (a)) & 0x80000000) == 0)
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-#define IN_CLASSA_NET 0xff000000
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-#define IN_CLASSA_NSHIFT 24
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-#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
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-#define IN_CLASSA_MAX 128
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-
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-#define IN_CLASSB(a) ((((uint32_t) (a)) & 0xc0000000) == 0x80000000)
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-#define IN_CLASSB_NET 0xffff0000
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-#define IN_CLASSB_NSHIFT 16
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-#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
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-#define IN_CLASSB_MAX 65536
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-
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-#define IN_CLASSC(a) ((((uint32_t) (a)) & 0xe0000000) == 0xc0000000)
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-#define IN_CLASSC_NET 0xffffff00
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-#define IN_CLASSC_NSHIFT 8
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-#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
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-
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-#define IN_CLASSD(a) ((((uint32_t) (a)) & 0xf0000000) == 0xe0000000)
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-#define IN_MULTICAST(a) IN_CLASSD(a)
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-
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-#define IN_EXPERIMENTAL(a) ((((uint32_t) (a)) & 0xe0000000) == 0xe0000000)
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-#define IN_BADCLASS(a) ((((uint32_t) (a)) & 0xf0000000) == 0xf0000000)
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-
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-/* Address to accept any incoming messages. */
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-#define INADDR_ANY ((uint32_t) 0x00000000)
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-/* Address to send to all hosts. */
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-#define INADDR_BROADCAST ((uint32_t) 0xffffffff)
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-/* Address indicating an error return. */
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-#define INADDR_NONE ((uint32_t) 0xffffffff)
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-
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-/* Network number for local host loopback. */
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-#define IN_LOOPBACKNET 127
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-/* Address to loopback in software to local host. */
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-#ifndef INADDR_LOOPBACK
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-# define INADDR_LOOPBACK ((uint32_t) 0x7f000001) /* Inet 127.0.0.1. */
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-#endif
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-
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-/* Defines for Multicast INADDR. */
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-#define INADDR_UNSPEC_GROUP ((uint32_t) 0xe0000000) /* 224.0.0.0 */
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-#define INADDR_ALLHOSTS_GROUP ((uint32_t) 0xe0000001) /* 224.0.0.1 */
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-#define INADDR_ALLRTRS_GROUP ((uint32_t) 0xe0000002) /* 224.0.0.2 */
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-#define INADDR_MAX_LOCAL_GROUP ((uint32_t) 0xe00000ff) /* 224.0.0.255 */
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-
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-
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-/* IPv6 address */
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-struct in6_addr
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- {
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- union
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- {
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- uint8_t u6_addr8[16];
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- uint16_t u6_addr16[8];
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- uint32_t u6_addr32[4];
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-#if ULONG_MAX > 0xffffffff
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- uint64_t u6_addr64[2];
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-#endif
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- } in6_u;
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-#define s6_addr in6_u.u6_addr8
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-#define s6_addr16 in6_u.u6_addr16
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-#define s6_addr32 in6_u.u6_addr32
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-#define s6_addr64 in6_u.u6_addr64
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- };
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-
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-extern const struct in6_addr in6addr_any; /* :: */
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-extern const struct in6_addr in6addr_loopback; /* ::1 */
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-#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
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-#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
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-
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-#define INET_ADDRSTRLEN 16
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-#define INET6_ADDRSTRLEN 46
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-
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-/* Get the definition of the macro to define the common sockaddr members. */
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-#include <bits/sockaddr.h>
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-
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-
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-/* Structure describing an Internet socket address. */
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-struct sockaddr_in
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- {
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- __SOCKADDR_COMMON (sin_);
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- uint16_t sin_port; /* Port number. */
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- struct in_addr sin_addr; /* Internet address. */
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-
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- /* Pad to size of `struct sockaddr'. */
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- unsigned char sin_zero[sizeof (struct sockaddr) -
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- __SOCKADDR_COMMON_SIZE -
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- sizeof (uint16_t) -
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- sizeof (struct in_addr)];
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- };
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-
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-/* Ditto, for IPv6. */
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-struct sockaddr_in6
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- {
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- __SOCKADDR_COMMON (sin6_);
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- uint16_t sin6_port; /* Transport layer port # */
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- uint32_t sin6_flowinfo; /* IPv6 flow information */
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- struct in6_addr sin6_addr; /* IPv6 address */
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- };
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-
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-/* IPv6 multicast request. */
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-struct ipv6_mreq
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- {
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- /* IPv6 multicast address of group */
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- struct in6_addr ipv6mr_multiaddr;
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-
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- /* local interface */
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- unsigned int ipv6mr_interface;
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- };
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-
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-/* Get system-specific definitions. */
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-#include <bits/in.h>
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-
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-/* Functions to convert between host and network byte order.
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-
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- Please note that these functions normally take `unsigned long int' or
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- `unsigned short int' values as arguments and also return them. But
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- this was a short-sighted decision since on different systems the types
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- may have different representations but the values are always the same. */
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-
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-extern uint32_t ntohl __P ((uint32_t __netlong));
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-extern uint16_t ntohs __P ((uint16_t __netshort));
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-extern uint32_t htonl __P ((uint32_t __hostlong));
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-extern uint16_t htons __P ((uint16_t __hostshort));
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-
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-#include <endian.h>
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-
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-/* Get machine dependent optimized versions of byte swapping functions. */
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-#include <bits/byteswap.h>
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-
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-#if __BYTE_ORDER == __BIG_ENDIAN && defined __OPTIMIZE__
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-/* The host byte order is the same as network byte order,
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- so these functions are all just identity. */
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-# define ntohl(x) (x)
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-# define ntohs(x) (x)
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-# define htonl(x) (x)
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-# define htons(x) (x)
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-#else
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-# if __BYTE_ORDER == __LITTLE_ENDIAN && defined __OPTIMIZE__
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-# define ntohl(x) __bswap_32 (x)
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-# define ntohs(x) __bswap_16 (x)
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-# define htonl(x) __bswap_32 (x)
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-# define htons(x) __bswap_16 (x)
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-# endif
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-#endif
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-
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-#define IN6_IS_ADDR_UNSPECIFIED(a) \
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- (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
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- ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == 0)
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-
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-#define IN6_IS_ADDR_LOOPBACK(a) \
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- (((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \
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- ((uint32_t *) (a))[2] == 0 && ((uint32_t *) (a))[3] == htonl (1))
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-
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-#define IN6_IS_ADDR_MULTICAST(a) (((u_int8_t *) (a))[0] == 0xff)
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-
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-#define IN6_IS_ADDR_LINKLOCAL(a) \
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- ((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfe800000))
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-
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-#define IN6_IS_ADDR_SITELOCAL(a) \
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- ((((uint32_t *) (a))[0] & htonl (0xffc00000)) == htonl (0xfec00000))
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-
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-#define IN6_IS_ADDR_V4MAPPED(a) \
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- ((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \
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- (((uint32_t *) (a))[2] == htonl (0xffff)))
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-
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-#define IN6_IS_ADDR_V4COMPAT(a) \
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- ((((uint32_t *) (a))[0] == 0) && (((uint32_t *) (a))[1] == 0) && \
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- (((uint32_t *) (a))[2] == 0) && (ntohl (((uint32_t *) (a))[3]) > 1))
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-
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-#define IN6_ARE_ADDR_EQUAL(a,b) \
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- ((((uint32_t *) (a))[0] == ((uint32_t *) (b))[0]) && \
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- (((uint32_t *) (a))[1] == ((uint32_t *) (b))[2]) && \
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- (((uint32_t *) (a))[2] == ((uint32_t *) (b))[1]) && \
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- (((uint32_t *) (a))[3] == ((uint32_t *) (b))[3]))
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-
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-/* Bind socket to a privileged IP port. */
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-extern int bindresvport __P ((int __sockfd, struct sockaddr_in *__sock_in));
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-
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-
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-
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-#define IN6_IS_ADDR_MC_NODELOCAL(a) \
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- (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x1))
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-
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-#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
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- (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x2))
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-
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-#define IN6_IS_ADDR_MC_SITELOCAL(a) \
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- (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x5))
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-
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-#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
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- (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0x8))
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-
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-#define IN6_IS_ADDR_MC_GLOBAL(a) \
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- (IN6_IS_ADDR_MULTICAST(a) && ((((u_int8_t *) (a))[1] & 0xf) == 0xe))
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-
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-/* IPv6 packet information. */
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-struct in6_pktinfo
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- {
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- struct in6_addr ipi6_addr; /* src/dst IPv6 address */
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- unsigned int ipi6_ifindex; /* send/recv interface index */
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- };
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-
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-__END_DECLS
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-
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-#endif /* netinet/in.h */
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