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https://github.com/reactos/reactos.git
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418 lines
12 KiB
C
418 lines
12 KiB
C
/*
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* ws2tcpip.h : TCP/IP specific extensions in Windows Sockets 2
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*
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* Portions Copyright (c) 1980, 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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*/
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#ifndef _WS2TCPIP_H
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#define _WS2TCPIP_H
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#if (defined _WINSOCK_H && !defined _WINSOCK2_H)
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#error "ws2tcpip.h is not compatable with winsock.h. Include winsock2.h instead."
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#endif
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#include <winsock2.h>
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#include <ws2ipdef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* The IP_* macros are also defined in winsock.h, but some values are different there.
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* The values defined in winsock.h for 1.1 and used in wsock32.dll are consistent
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* with the original values Steve Deering defined in his document "IP Multicast Extensions
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* for 4.3BSD UNIX related systems (MULTICAST 1.2 Release)." However, these conflicted with
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* the definitions for some IPPROTO_IP level socket options already assigned by BSD,
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* so Berkeley changed all the values by adding 7. WinSock2 (ws2_32.dll) uses
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* the BSD 4.4 compatible values defined here.
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*
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* See also: msdn kb article Q257460
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* http://support.microsoft.com/support/kb/articles/Q257/4/60.asp
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*/
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/* This is also defined in winsock.h; value hasn't changed */
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#define IP_OPTIONS 1
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#define IP_HDRINCL 2
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/*
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* These are also be defined in winsock.h,
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* but values have changed for WinSock2 interface
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*/
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#define IP_TOS 3 /* old (winsock 1.1) value 8 */
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#define IP_TTL 4 /* old value 7 */
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#define IP_MULTICAST_IF 9 /* old value 2 */
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#define IP_MULTICAST_TTL 10 /* old value 3 */
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#define IP_MULTICAST_LOOP 11 /* old value 4 */
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#define IP_ADD_MEMBERSHIP 12 /* old value 5 */
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#define IP_DROP_MEMBERSHIP 13 /* old value 6 */
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#define IP_DONTFRAGMENT 14 /* old value 9 */
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#define IP_ADD_SOURCE_MEMBERSHIP 15
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#define IP_DROP_SOURCE_MEMBERSHIP 16
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#define IP_BLOCK_SOURCE 17
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#define IP_UNBLOCK_SOURCE 18
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#define IP_PKTINFO 19
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/*
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* As with BSD implementation, IPPROTO_IPV6 level socket options have
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* same values as IPv4 counterparts.
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*/
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#define IPV6_UNICAST_HOPS 4
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#define IPV6_MULTICAST_IF 9
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#define IPV6_MULTICAST_HOPS 10
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#define IPV6_MULTICAST_LOOP 11
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#define IPV6_ADD_MEMBERSHIP 12
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#define IPV6_DROP_MEMBERSHIP 13
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#define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP
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#define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP
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#define IPV6_PKTINFO 19
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#define IP_DEFAULT_MULTICAST_TTL 1
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#define IP_DEFAULT_MULTICAST_LOOP 1
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#define IP_MAX_MEMBERSHIPS 20
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#define TCP_EXPEDITED_1122 2
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#define UDP_NOCHECKSUM 1
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/* INTERFACE_INFO iiFlags */
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#define IFF_UP 1
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#define IFF_BROADCAST 2
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#define IFF_LOOPBACK 4
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#define IFF_POINTTOPOINT 8
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#define IFF_MULTICAST 16
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#define SIO_GET_INTERFACE_LIST _IOR('t', 127, u_long)
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#define INET_ADDRSTRLEN 16
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#define INET6_ADDRSTRLEN 46
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/* getnameinfo constants */
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#define NI_MAXHOST 1025
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#define NI_MAXSERV 32
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#define NI_NOFQDN 0x01
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#define NI_NUMERICHOST 0x02
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#define NI_NAMEREQD 0x04
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#define NI_NUMERICSERV 0x08
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#define NI_DGRAM 0x10
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/* getaddrinfo constants */
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#define AI_PASSIVE 1
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#define AI_CANONNAME 2
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#define AI_NUMERICHOST 4
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/* getaddrinfo error codes */
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#define EAI_AGAIN WSATRY_AGAIN
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#define EAI_BADFLAGS WSAEINVAL
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#define EAI_FAIL WSANO_RECOVERY
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#define EAI_FAMILY WSAEAFNOSUPPORT
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#define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY
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#define EAI_NODATA WSANO_DATA
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#define EAI_NONAME WSAHOST_NOT_FOUND
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#define EAI_SERVICE WSATYPE_NOT_FOUND
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#define EAI_SOCKTYPE WSAESOCKTNOSUPPORT
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/*
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* ip_mreq also in winsock.h for WinSock1.1,
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* but online msdn docs say it is defined here for WinSock2.
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*/
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struct ip_mreq {
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struct in_addr imr_multiaddr;
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struct in_addr imr_interface;
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};
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struct ip_mreq_source {
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struct in_addr imr_multiaddr;
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struct in_addr imr_sourceaddr;
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struct in_addr imr_interface;
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};
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struct ip_msfilter {
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struct in_addr imsf_multiaddr;
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struct in_addr imsf_interface;
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u_long imsf_fmode;
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u_long imsf_numsrc;
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struct in_addr imsf_slist[1];
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};
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#define IP_MSFILTER_SIZE(numsrc) \
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(sizeof(struct ip_msfilter) - sizeof(struct in_addr) \
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+ (numsrc) * sizeof(struct in_addr))
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/* ipv6 */
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/* These require XP or .NET Server or use of add-on IPv6 stacks on NT 4
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or higher */
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/* This is based on the example given in RFC 2553 with stdint types
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changed to BSD types. For now, use these field names until there
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is some consistency in MS docs. In this file, we only use the
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in6_addr structure start address, with casts to get the right offsets
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when testing addresses */
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struct in6_addr {
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union {
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u_char Byte[16];
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u_short Word[8];
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u_long _S6_u32[4];
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} u;
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};
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/* s6_addr is the standard name */
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#define s6_addr u.Byte
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/* These are GLIBC names */
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#define s6_addr16 u.Word
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#define s6_addr32 u.Word
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/* These are used in some MS code */
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#define in_addr6 in6_addr
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#define _s6_bytes u.Byte
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#define _s6_words u.Word
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typedef struct in6_addr IN6_ADDR, *PIN6_ADDR, *LPIN6_ADDR;
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struct sockaddr_in6 {
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short sin6_family; /* AF_INET6 */
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u_short sin6_port; /* transport layer port # */
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u_long sin6_flowinfo; /* IPv6 traffic class & flow info */
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struct in6_addr sin6_addr; /* IPv6 address */
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u_long sin6_scope_id; /* set of interfaces for a scope */
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};
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typedef struct sockaddr_in6 SOCKADDR_IN6, *PSOCKADDR_IN6, *LPSOCKADDR_IN6;
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extern const struct in6_addr in6addr_any;
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extern const struct in6_addr in6addr_loopback;
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/* the above can get initialised using: */
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#define IN6ADDR_ANY_INIT { 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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/* Described in RFC 2292, but not in 2553 */
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/* int IN6_ARE_ADDR_EQUAL(const struct in6_addr * a, const struct in6_addr * b) */
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#define IN6_ARE_ADDR_EQUAL(a, b) \
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(memcmp ((void*)(a), (void*)(b), sizeof (struct in6_addr)) == 0)
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/* Address Testing Macros
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These macro functions all take const struct in6_addr* as arg.
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Static inlines would allow type checking, but RFC 2553 says they
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macros.
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NB: These are written specifically for little endian host */
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#define IN6_IS_ADDR_UNSPECIFIED(_addr) \
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( (((const u_long *)(_addr))[0] == 0) \
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&& (((const u_long *)(_addr))[1] == 0) \
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&& (((const u_long *)(_addr))[2] == 0) \
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&& (((const u_long *)(_addr))[3] == 0))
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#define IN6_IS_ADDR_LOOPBACK(_addr) \
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( (((const u_long *)(_addr))[0] == 0) \
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&& (((const u_long *)(_addr))[1] == 0) \
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&& (((const u_long *)(_addr))[2] == 0) \
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&& (((const u_long *)(_addr))[3] == 0x01000000)) /* Note byte order reversed */
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/* (((const u_long *)(_addr))[3] == ntohl(1)) */
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#define IN6_IS_ADDR_MULTICAST(_addr) (((const u_char *) (_addr))[0] == 0xff)
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#define IN6_IS_ADDR_LINKLOCAL(_addr) \
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( (((const u_char *)(_addr))[0] == 0xfe) \
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&& ((((const u_char *)(_addr))[1] & 0xc0) == 0x80))
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#define IN6_IS_ADDR_SITELOCAL(_addr) \
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( (((const u_char *)(_addr))[0] == 0xfe) \
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&& ((((const u_char *)(_addr))[1] & 0xc0) == 0xc0))
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#define IN6_IS_ADDR_V4MAPPED(_addr) \
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( (((const u_long *)(_addr))[0] == 0) \
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&& (((const u_long *)(_addr))[1] == 0) \
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&& (((const u_long *)(_addr))[2] == 0xffff0000)) /* Note byte order reversed */
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/* (((const u_long *)(_addr))[2] == ntohl(0x0000ffff))) */
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#define IN6_IS_ADDR_V4COMPAT(_addr) \
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( (((const u_long *)(_addr))[0] == 0) \
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&& (((const u_long *)(_addr))[1] == 0) \
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&& (((const u_long *)(_addr))[2] == 0) \
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&& (((const u_long *)(_addr))[3] != 0) \
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&& (((const u_long *)(_addr))[3] != 0x01000000)) /* Note byte order reversed */
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/* (ntohl (((const u_long *)(_addr))[3]) > 1 ) */
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#define IN6_IS_ADDR_MC_NODELOCAL(_addr) \
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( IN6_IS_ADDR_MULTICAST(_addr) \
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x1))
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#define IN6_IS_ADDR_MC_LINKLOCAL(_addr) \
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( IN6_IS_ADDR_MULTICAST (_addr) \
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x2))
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#define IN6_IS_ADDR_MC_SITELOCAL(_addr) \
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( IN6_IS_ADDR_MULTICAST(_addr) \
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x5))
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#define IN6_IS_ADDR_MC_ORGLOCAL(_addr) \
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( IN6_IS_ADDR_MULTICAST(_addr) \
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0x8))
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#define IN6_IS_ADDR_MC_GLOBAL(_addr) \
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( IN6_IS_ADDR_MULTICAST(_addr) \
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&& ((((const u_char *)(_addr))[1] & 0xf) == 0xe))
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typedef int socklen_t;
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struct ipv6_mreq {
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struct in6_addr ipv6mr_multiaddr;
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unsigned int ipv6mr_interface;
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};
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typedef struct ipv6_mreq IPV6_MREG;
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struct in6_pktinfo {
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IN6_ADDR ipi6_addr;
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UINT ipi6_ifindex;
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};
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typedef struct in6_pktinfo IN6_PKTINFO;
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typedef struct addrinfo
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{
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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size_t ai_addrlen;
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char *ai_canonname;
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struct sockaddr *ai_addr;
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struct addrinfo *ai_next;
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} ADDRINFOA, *PADDRINFOA;
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typedef struct addrinfoW
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{
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int ai_flags;
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int ai_family;
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int ai_socktype;
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int ai_protocol;
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size_t ai_addrlen;
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PWSTR ai_canonname;
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struct sockaddr *ai_addr;
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struct addrinfoW *ai_next;
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} ADDRINFOW, *PADDRINFOW;
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#ifdef UNICODE
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typedef ADDRINFOW ADDRINFOT,*PADDRINFOT;
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#else
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typedef ADDRINFOA ADDRINFOT,*PADDRINFOT;
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#endif
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typedef ADDRINFOA ADDRINFO, FAR *LPADDRINFO;
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void WSAAPI freeaddrinfo (struct addrinfo*);
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int WSAAPI getaddrinfo (const char*,const char*,const struct addrinfo*,
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struct addrinfo**);
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#define GAI_STRERROR_BUFFER_SIZE 1024
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static __inline char*
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gai_strerrorA(int ecode)
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{
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static char buff[GAI_STRERROR_BUFFER_SIZE + 1];
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FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK,
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NULL,
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ecode,
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MAKELANGID(LANG_NEUTRAL,
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SUBLANG_DEFAULT),
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(LPSTR)buff,
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GAI_STRERROR_BUFFER_SIZE,
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NULL);
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return buff;
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}
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static __inline WCHAR*
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gai_strerrorW(int ecode)
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{
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static WCHAR buff[GAI_STRERROR_BUFFER_SIZE + 1];
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FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK,
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NULL,
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ecode,
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MAKELANGID(LANG_NEUTRAL,
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SUBLANG_DEFAULT),
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(LPWSTR)buff,
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GAI_STRERROR_BUFFER_SIZE,
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NULL);
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return buff;
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}
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#ifdef UNICODE
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#define gai_strerror gai_strerrorW
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#else
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#define gai_strerror gai_strerrorA
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#endif /* UNICODE */
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int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
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char*,DWORD,int);
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#if (_WIN32_WINNT >= 0x0502)
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INT WSAAPI GetNameInfoW(const SOCKADDR*,socklen_t,PWCHAR,DWORD,PWCHAR,DWORD,INT);
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#define GetNameInfoA getnameinfo
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#ifdef UNICODE
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#define GetNameInfo GetNameInfoW
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#else
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#define GetNameInfo GetNameInfoA
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#endif /* UNICODE */
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#endif /* (_WIN32_WINNT >= 0x0502) */
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/* Some older IPv4/IPv6 compatability stuff */
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/* This struct lacks sin6_scope_id; retained for use in sockaddr_gen */
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struct sockaddr_in6_old {
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short sin6_family;
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u_short sin6_port;
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u_long sin6_flowinfo;
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struct in6_addr sin6_addr;
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};
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typedef union sockaddr_gen{
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struct sockaddr Address;
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struct sockaddr_in AddressIn;
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struct sockaddr_in6_old AddressIn6;
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} sockaddr_gen;
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typedef struct _INTERFACE_INFO {
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u_long iiFlags;
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sockaddr_gen iiAddress;
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sockaddr_gen iiBroadcastAddress;
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sockaddr_gen iiNetmask;
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} INTERFACE_INFO, *LPINTERFACE_INFO;
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/*
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The definition above can cause problems on NT4,prior to sp4.
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To workaround, include the following struct and typedef and
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#define INTERFACE_INFO OLD_INTERFACE_INFO
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See: FIX: WSAIoctl SIO_GET_INTERFACE_LIST Option Problem
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(Q181520) in MSDN KB.
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The old definition causes problems on newer NT and on XP.
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typedef struct _OLD_INTERFACE_INFO {
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u_long iiFlags;
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struct sockaddr iiAddress;
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struct sockaddr iiBroadcastAddress;
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struct sockaddr iiNetmask;
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} OLD_INTERFACE_INFO;
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _WS2TCPIP_H */
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