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update from main archive 960105
This commit is contained in:
Ulrich Drepper
@ -1,4 +1,4 @@
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/* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
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/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or modify
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@ -23,14 +23,25 @@
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#include <sys/socket.h>
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__BEGIN_DECLS
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#include <linux/in.h>
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__END_DECLS
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/* Standard well-known ports. The use of these constants is
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deprecated. Instead use the contents of the file `/etc/services'
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or similar databases by using the function getservbyname and
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getservbyport. */
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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_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_RAW = 255, /* Raw IP packets. */
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IPPROTO_MAX
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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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@ -71,50 +82,120 @@ enum
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};
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/* Link numbers. */
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#define IMPLINK_IP 155
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#define IMPLINK_LOWEXPER 156
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#define IMPLINK_HIGHEXPER 158
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/* Internet address. */
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struct in_addr
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{
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unsigned int s_addr;
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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 to
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the subnet mask, not these masks. */
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#define IN_CLASSA(a) ((((unsigned) (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) ((((unsigned) (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) ((((unsigned) (a)) & 0xc0000000) == 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) ((((unsigned) (a)) & 0xf0000000) == 0xe0000000)
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#define IN_MULTICAST(a) IN_CLASSD(a)
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#define IN_EXPERIMENTAL(a) ((((unsigned) (a)) & 0xe0000000) == 0xe0000000)
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#define IN_BADCLASS(a) ((((unsigned) (a)) & 0xf0000000) == 0xf0000000)
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/* Address to accept any incoming messages. */
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#define INADDR_ANY ((unsigned) 0x00000000)
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/* Address to send to all hosts. */
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#define INADDR_BROADCAST ((unsigned) 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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#ifndef INADDR_LOOPBACK
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#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
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#endif
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/* Get the definition of the macro to define the common sockaddr members. */
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#include <sockaddrcom.h>
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/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
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The `ip_dst' field is used for the first-hop gateway when using a
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source route (this gets put into the header proper). */
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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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unsigned short int 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 sin_zero[sizeof(struct sockaddr) -
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__SOCKADDR_COMMON_SIZE -
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sizeof(unsigned short int) -
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sizeof(struct in_addr)];
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};
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/* Options for use with `getsockopt' and `setsockopt' at the IP level.
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The first word in the comment at the right is the data type used;
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"bool" means a boolean value stored in an `int'. */
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#define IP_TOS 1 /* int; IP type of service and precedence. */
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#define IP_TTL 2 /* int; IP time to live. */
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#define IP_HDRINCL 3 /* int; Header is included with data. */
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#define IP_OPTIONS 4 /* ip_opts; IP per-packet options. */
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#define IP_MULTICAST_IF 32 /* in_addr; set/get IP multicast i/f */
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#define IP_MULTICAST_TTL 33 /* u_char; set/get IP multicast ttl */
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#define IP_MULTICAST_LOOP 34 /* i_char; set/get IP multicast loopback */
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#define IP_ADD_MEMBERSHIP 35 /* ip_mreq; add an IP group membership */
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#define IP_DROP_MEMBERSHIP 36 /* ip_mreq; drop an IP group membership */
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/* Structure used to describe IP options for IP_OPTIONS. The `ip_dst'
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field is used for the first-hop gateway when using a source route
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(this gets put into the header proper). */
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struct ip_opts
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{
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struct in_addr ip_dst; /* First hop; zero without source route. */
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char ip_opts[40]; /* Actually variable in size. */
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};
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__BEGIN_DECLS
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/* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */
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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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/* Functions to convert between host and network byte order. */
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extern unsigned long int ntohl __P ((unsigned long int __long_word));
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extern unsigned short int ntohs __P ((unsigned short int __short_word));
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extern unsigned long int htonl __P ((unsigned long int __long_word));
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extern unsigned short int htons __P ((unsigned short int __short_word));
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/* Bind socket FD to a privileged IP address SIN. */
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extern int bindresvport __P ((int __fd, struct sockaddr_in * __sock_in));
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__END_DECLS
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extern unsigned long int ntohl __P ((unsigned long int));
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extern unsigned short int ntohs __P ((unsigned short int));
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extern unsigned long int htonl __P ((unsigned long int));
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extern unsigned short int htons __P ((unsigned short int));
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#include <endian.h>
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#if __BYTE_ORDER == __BIG_ENDIAN
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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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# undef ntohl
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# define ntohl(x) (x)
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# undef ntohs
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# define ntohs(x) (x)
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# undef htonl
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# define htonl(x) (x)
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# undef htons
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# define htons(x) (x)
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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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#endif
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#endif /* netinet/in.h */
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