264 lines
8.0 KiB
C
264 lines
8.0 KiB
C
/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Definitions of the Internet Protocol.
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*
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* Version: @(#)in.h 1.0.1 04/21/93
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*
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* Authors: Original taken from the GNU Project <netinet/in.h> file.
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* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _CYGWIN_IN_H
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#define _CYGWIN_IN_H
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#include <cygwin/socket.h>
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typedef uint16_t in_port_t;
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typedef uint32_t in_addr_t;
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/* Standard well-defined IP protocols. If you ever add one here, don't
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forget to define it below. */
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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 Gateway 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_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_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_RAW = 255, /* Raw IP packets */
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IPPROTO_MAX
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};
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/* Define IPPROTO_xxx values to accomodate SUSv3 */
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#define IPPROTO_IP IPPROTO_IP
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#define IPPROTO_HOPOPTS IPPROTO_HOPOPTS
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#define IPPROTO_ICMP IPPROTO_ICMP
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#define IPPROTO_IGMP IPPROTO_IGMP
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#define IPPROTO_IPIP IPPROTO_IPIP
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#define IPPROTO_TCP IPPROTO_TCP
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#define IPPROTO_EGP IPPROTO_EGP
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#define IPPROTO_PUP IPPROTO_PUP
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#define IPPROTO_UDP IPPROTO_UDP
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#define IPPROTO_IDP IPPROTO_IDP
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#define IPPROTO_RAW IPPROTO_RAW
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#define IPPROTO_IPV6 IPPROTO_IPV6
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#define IPPROTO_ROUTING IPPROTO_ROUTING
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#define IPPROTO_FRAGMENT IPPROTO_FRAGMENT
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#define IPPROTO_ESP IPPROTO_ESP
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#define IPPROTO_AH IPPROTO_AH
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#define IPPROTO_ICMPV6 IPPROTO_ICMPV6
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#define IPPROTO_NONE IPPROTO_NONE
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#define IPPROTO_DSTOPTS IPPROTO_DSTOPTS
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/* Standard well-known ports. *//* from winsup/include/netinet/in.h */
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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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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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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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/* 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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/* Ports less than this value are reserved for privileged processes. */
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IPPORT_RESERVED = 1024,
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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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/* Internet address. */
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struct in_addr
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{
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in_addr_t s_addr;
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};
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/* Request struct for IPv4 multicast socket ops */
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struct ip_mreq
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{
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* local IP address of interface */
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};
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struct ip_mreq_source
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{
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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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{
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struct in_addr imsf_multiaddr;
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struct in_addr imsf_interface;
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uint32_t imsf_fmode;
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uint32_t 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) (sizeof (struct ip_msfilter) \
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- sizeof (struct in_addr) \
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+ (numsrc) * sizeof (struct in_addr))
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struct in_pktinfo
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{
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struct in_addr ipi_addr;
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uint32_t ipi_ifindex;
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};
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/* Request struct for IP agnostic multicast socket ops */
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struct group_req
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{
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uint32_t gr_interface;
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struct sockaddr_storage gr_group;
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};
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struct group_source_req
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{
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uint32_t gsr_interface;
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struct sockaddr_storage gsr_group;
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struct sockaddr_storage gsr_source;
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};
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struct group_filter
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{
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uint32_t gf_interface;
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struct sockaddr_storage gf_group;
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uint32_t gf_fmode;
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uint32_t gf_numsrc;
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struct sockaddr_storage gf_slist[1];
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};
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#define GROUP_FILTER_SIZE(numsrc) (sizeof (struct group_filter) \
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- sizeof (struct sockaddr_storage) \
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+ (numsrc) * sizeof (struct sockaddr_storage))
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/* Structure describing an Internet (IP) socket address. */
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#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
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struct sockaddr_in
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{
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sa_family_t sin_family; /* Address family */
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in_port_t sin_port; /* Port number */
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struct in_addr sin_addr; /* Internet address */
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/* Pad to size of `struct sockaddr'. */
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unsigned char __pad[__SOCK_SIZE__ - sizeof(short int)
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- sizeof(unsigned short int) - sizeof(struct in_addr)];
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};
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#define sin_zero __pad /* for BSD UNIX comp. -FvK */
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/*
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* Definitions of the bits in an Internet address integer.
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* On subnets, host and network parts are found according
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* to the subnet mask, not these masks.
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*/
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#define IN_CLASSA(a) ((((in_addr_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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#define IN_CLASSB(a) ((((in_addr_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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#define IN_CLASSC(a) ((((in_addr_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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#define IN_CLASSD(a) ((((in_addr_t) (a)) & 0xf0000000) == 0xe0000000)
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#define IN_MULTICAST(a) IN_CLASSD(a)
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#define IN_MULTICAST_NET 0xF0000000
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#define IN_EXPERIMENTAL(a) ((((in_addr_t) (a)) & 0xe0000000) == 0xe0000000)
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#define IN_BADCLASS(a) ((((in_addr_t) (a)) & 0xf0000000) == 0xf0000000)
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/* Address to accept any incoming messages. */
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#define INADDR_ANY ((in_addr_t) 0x00000000)
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/* Address to send to all hosts. */
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#define INADDR_BROADCAST ((in_addr_t) 0xffffffff)
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/* Address indicating an error return. */
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#define INADDR_NONE 0xffffffff
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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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#define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */
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#define IN_LOOPBACK(a) ((((in_addr_t) (a)) & 0xff000000) == 0x7f000000)
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/* Defines for Multicast INADDR */
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#define INADDR_UNSPEC_GROUP 0xe0000000 /* 224.0.0.0 */
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#define INADDR_ALLHOSTS_GROUP 0xe0000001 /* 224.0.0.1 */
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#define INADDR_ALLRTRS_GROUP 0xe0000002 /* 224.0.0.2 */
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#define INADDR_MAX_LOCAL_GROUP 0xe00000ff /* 224.0.0.255 */
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#define INET_ADDRSTRLEN 16
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/* <asm/byteorder.h> contains the htonl type stuff.. */
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#include <asm/byteorder.h>
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/* Some random defines to make it easier in the kernel.. */
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#ifdef __KERNEL__
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#define LOOPBACK(x) (((x) & htonl(0xff000000)) == htonl(0x7f000000))
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#define MULTICAST(x) (((x) & htonl(0xf0000000)) == htonl(0xe0000000))
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#endif
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#ifdef AF_INET6
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#include <cygwin/in6.h>
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#endif
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#endif /* _CYGWIN_IN_H */
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