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NeXTSTEP 3.3 (Developer)…68k, x86, SPARC, PA-RISC]
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in.h
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1995-02-14
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/*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved.
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*
* @(#)in.h 7.5 (Berkeley) 2/22/88
*
* HISTORY
* 11-Jul-93 Mac Gillon (mgillon) at NeXT
* Integrated MULTICAST support
*
* 26-Sep-89 Morris Meyer (mmeyer) at NeXT
* NFS 4.0 Changes: Added definition of official port numbers.
*/
#ifndef _IN_
#define _IN_
#ifdef KERNEL
#import <sys/protosw.h>
#import <sys/domain.h>
#endif KERNEL
/* @(#)in.h 2.2 88/06/10 4.0NFSSRC; from 7.1 (Berkeley) 6/5/86 */
/*
* Constants and structures defined by the internet system,
* Per RFC 790, September 1981.
*/
/*
* Protocols
*/
#define IPPROTO_IP 0 /* dummy for IP */
#define IPPROTO_ICMP 1 /* control message protocol */
#define IPPROTO_IGMP 2 /* group mgmt protocol */
#define IPPROTO_GGP 3 /* gateway^2 (deprecated) */
#define IPPROTO_TCP 6 /* tcp */
#define IPPROTO_EGP 8 /* exterior gateway protocol */
#define IPPROTO_PUP 12 /* pup */
#define IPPROTO_UDP 17 /* user datagram protocol */
#define IPPROTO_IDP 22 /* xns idp */
#define IPPROTO_RAW 255 /* raw IP packet */
#define IPPROTO_MAX 256
/*
* Port/socket numbers: network standard functions
*/
#define IPPORT_ECHO 7
#define IPPORT_DISCARD 9
#define IPPORT_SYSTAT 11
#define IPPORT_DAYTIME 13
#define IPPORT_NETSTAT 15
#define IPPORT_FTP 21
#define IPPORT_TELNET 23
#define IPPORT_SMTP 25
#define IPPORT_TIMESERVER 37
#define IPPORT_NAMESERVER 42
#define IPPORT_WHOIS 43
#define IPPORT_MTP 57
/*
* Port/socket numbers: host specific functions
*/
#define IPPORT_TFTP 69
#define IPPORT_RJE 77
#define IPPORT_FINGER 79
#define IPPORT_TTYLINK 87
#define IPPORT_SUPDUP 95
/*
* UNIX TCP sockets
*/
#define IPPORT_EXECSERVER 512
#define IPPORT_LOGINSERVER 513
#define IPPORT_CMDSERVER 514
#define IPPORT_EFSSERVER 520
/*
* UNIX UDP sockets
*/
#define IPPORT_BIFFUDP 512
#define IPPORT_WHOSERVER 513
#define IPPORT_ROUTESERVER 520 /* 520+1 also used */
/*
* Ports < IPPORT_RESERVED are reserved for
* privileged processes (e.g. root).
* Ports > IPPORT_USERRESERVED are reserved
* for servers, not necessarily privileged.
*/
#define IPPORT_RESERVED 1024
#define IPPORT_USERRESERVED 5000
/*
* Link numbers
*/
#define IMPLINK_IP 155
#define IMPLINK_LOWEXPER 156
#define IMPLINK_HIGHEXPER 158
/*
* Internet address (a structure for historical reasons)
*/
struct in_addr {
#if NeXT
union {
struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
struct { u_short s_w1,s_w2; } S_un_w;
u_long S_addr;
} S_un;
#define s_addr S_un.S_addr /* can be used for most tcp & ip code */
#define s_host S_un.S_un_b.s_b2 /* host on imp */
#define s_net S_un.S_un_b.s_b1 /* network */
#define s_imp S_un.S_un_w.s_w2 /* imp */
#define s_impno S_un.S_un_b.s_b4 /* imp # */
#define s_lh S_un.S_un_b.s_b3 /* logical host */
#else NeXT
u_long s_addr;
#endif NeXT
};
/*
* Definitions of bits in internet address integers.
* On subnets, the decomposition of addresses to host and net parts
* is done according to subnet mask, not the masks here.
*/
#define IN_CLASSA(i) (((long)(i) & 0x80000000) == 0)
#define IN_CLASSA_NET 0xff000000
#define IN_CLASSA_NSHIFT 24
#define IN_CLASSA_HOST 0x00ffffff
#define IN_CLASSA_MAX 128
#define IN_CLASSB(i) (((long)(i) & 0xc0000000) == 0x80000000)
#define IN_CLASSB_NET 0xffff0000
#define IN_CLASSB_NSHIFT 16
#define IN_CLASSB_HOST 0x0000ffff
#define IN_CLASSB_MAX 65536
#define IN_CLASSC(i) (((long)(i) & 0xe0000000) == 0xc0000000)
#define IN_CLASSC_NET 0xffffff00
#define IN_CLASSC_NSHIFT 8
#define IN_CLASSC_HOST 0x000000ff
#define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
#define IN_MULTICAST(i) IN_CLASSD(i)
#define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000) == 0xe0000000)
#define IN_BADCLASS(i) (((long)(i) & 0xf0000000) == 0xf0000000)
#define INADDR_ANY (u_long)0x00000000
#define INADDR_LOOPBACK (u_long)0x7f000001
#define INADDR_BROADCAST (u_long)0xffffffff /* must be masked */
#define INADDR_UNSPEC_GROUP (u_long)0xe0000000 /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP (u_long)0xe0000001 /* 224.0.0.1 */
#define INADDR_MAX_LOCAL_GROUP (u_long)0xe00000ff /* 224.0.0.255 */
#ifndef KERNEL
#define INADDR_NONE 0xffffffff /* -1 return */
#endif
#define IN_LOOPBACKNET 127 /* official! */
/*
* Define a macro to stuff the loopback address into an Internet address
*/
#define IN_SET_LOOPBACK_ADDR(a) {(a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \
(a)->sin_family = AF_INET;}
/*
* Socket address, internet style.
*/
struct sockaddr_in {
short sin_family;
u_short sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};
/*
* Options for use with [gs]etsockopt at the IP level.
*/
#define IP_OPTIONS 1 /* set/get IP per-packet options */
#define IP_TIMETOLIVE 2 /* set/get IP time-to-live value */
#define IP_MULTICAST_IF 3 /* set/get IP multicast interface */
#define IP_MULTICAST_TTL 4 /* set/get IP multicast timetolive */
#define IP_MULTICAST_LOOP 5 /* set/get IP multicast loopback */
#define IP_ADD_MEMBERSHIP 6 /* add an IP group membership */
#define IP_DROP_MEMBERSHIP 7 /* drop an IP group membership */
#define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */
#define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */
#define IP_MAX_MEMBERSHIPS 20 /* per socket; must fit in one mbuf */
/*
* Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
*/
struct ip_mreq {
struct in_addr imr_multiaddr; /* IP multicast address of group */
struct in_addr imr_interface; /* local IP address of interface */
};
/*
* Conversion between host
* and network byte order.
*/
#import <architecture/byte_order.h>
#define ntohl(x) NXSwapBigLongToHost(x)
#define ntohs(x) NXSwapBigShortToHost(x)
#define htonl(x) NXSwapHostLongToBig(x)
#define htons(x) NXSwapHostShortToBig(x)
#ifdef KERNEL
extern struct domain inetdomain;
extern struct protosw inetsw[];
struct in_addr in_makeaddr();
u_long in_netof(), in_lnaof();
#endif
#endif _IN_