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- /* @(#)in.h 1.18 88/08/19 SMI; from UCB 7.5 2/22/88 */
-
- /*
- * 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.
- */
-
- /*
- * Constants and structures defined by the internet system,
- * Per RFC 790, September 1981.
- */
-
- #ifndef _netinet_in_h
- #define _netinet_in_h
-
- /*
- * Protocols
- */
- #define IPPROTO_IP 0 /* dummy for IP */
- #define IPPROTO_ICMP 1 /* control message protocol */
- #define IPPROTO_IGMP 2 /* group control 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_HELLO 63 /* "hello" routing protocol */
- #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */
-
- #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
- * This definition contains obsolete fields for compatibility
- * with SunOS 3.x and 4.2bsd. The presence of subnets renders
- * divisions into fixed fields misleading at best. New code
- * should use only the s_addr field.
- */
- struct in_addr {
- 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 /* should be used for all code */
- #define s_host S_un.S_un_b.s_b2 /* OBSOLETE: host on imp */
- #define s_net S_un.S_un_b.s_b1 /* OBSOLETE: network */
- #define s_imp S_un.S_un_w.s_w2 /* OBSOLETE: imp */
- #define s_impno S_un.S_un_b.s_b4 /* OBSOLETE: imp # */
- #define s_lh S_un.S_un_b.s_b3 /* OBSOLETE: logical host */
- };
-
- /*
- * 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_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 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 */
-
- #if !defined(vax) && !defined(ntohl) && !defined(lint) && !defined(i386)
- /*
- * Macros for number representation conversion.
- */
- #define ntohl(x) (x)
- #define ntohs(x) (x)
- #define htonl(x) (x)
- #define htons(x) (x)
- #endif
-
- #if !defined(ntohl) && (defined(vax) || defined(lint) || defined(i386))
- u_short ntohs(), htons();
- u_long ntohl(), htonl();
- #endif
-
- #ifdef KERNEL
- extern struct domain inetdomain;
- extern struct protosw inetsw[];
- struct in_addr in_makeaddr();
- u_long in_netof(), in_lnaof();
- #endif
-
- #endif /*!_netinet_in_h*/
-