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netinet
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in.h
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1999-05-11
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#ifndef __IN_32H
#define __IN_32H
/*
* 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
*/
/*
* Constants and structures defined by the internet system,
* Per RFC 790, September 1981.
*/
#ifdef __BORLANDC__ /* DRC01 - changed _System to _syscall */
#ifndef _System /* DRC01 */
#define _System _syscall /* DRC01 */
#endif /* DRC01 */
#endif /* DRC01 */
#ifdef __HIGHC__ /* DRC02 */
#define _System
#endif
/*
* Protocols
*/
#define IPPROTO_IP 0 /* dummy for IP */
#define IPPROTO_ICMP 1 /* control message protocol */
#define IPPROTO_IGMP 2 /* group management 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
/*
* 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 {
unsigned long s_addr;
};
/*
* 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) & 0x80000000L) == 0)
#define IN_CLASSA_NET 0xff000000L
#define IN_CLASSA_NSHIFT 24
#define IN_CLASSA_HOST 0x00ffffffL
#define IN_CLASSA_MAX 128
#define IN_CLASSB(i) (((long)(i) & 0xc0000000L) == 0x80000000L)
#define IN_CLASSB_NET 0xffff0000L
#define IN_CLASSB_NSHIFT 16
#define IN_CLASSB_HOST 0x0000ffffL
#define IN_CLASSB_MAX 65536L
#define IN_CLASSC(i) (((long)(i) & 0xe0000000L) == 0xc0000000L)
#define IN_CLASSC_NET 0xffffff00L
#define IN_CLASSC_NSHIFT 8
#define IN_CLASSC_HOST 0x000000ffL
#define IN_CLASSD(i) (((long)(i) & 0xf0000000L) == 0xe0000000L)
#define IN_CLASSD_NET 0xffffffffL
#define IN_CLASSD_HOST 0x00000000L
#define IN_MULTICAST(i) IN_CLASSD(i)
#define IN_EXPERIMENTAL(i) (((long)(i) & 0xe0000000L) == 0xe0000000L)
#define IN_BADCLASS(i) (((long)(i) & 0xf0000000L) == 0xf0000000L)
#define INADDR_ANY (unsigned long)0x00000000L
#define INADDR_BROADCAST (unsigned long)0xffffffffL /* must be masked */
#define INADDR_UNSPEC_GROUP (unsigned long )0xe0000000 /* 224.0.0.0 */
#define INADDR_ALLHOSTS_GROUP (unsigned long)0xe0000001 /* 224.0.0.1 */
#define INADDR_MAX_LOCAL_GROUP (unsigned long)0xe00000ff /* 224.0.0.255 */
#ifndef KERNEL
#define INADDR_NONE 0xffffffffL /* -1 return */
#endif
#define IN_LOOPBACKNET 127 /* official! */
/*
* Socket address, internet style.
*/
struct sockaddr_in {
short sin_family;
unsigned 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_MULTICAST_IF 2 /* set/get IP multicast interface*/
#define IP_MULTICAST_TTL 3 /* set/get IP multicast timetolive*/
#define IP_MULTICAST_LOOP 4 /* set/get IP multicast loopback */
#define IP_ADD_MEMBERSHIP 5 /* add an IP group membership */
#define IP_DROP_MEMBERSHIP 6 /* 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 */
};
unsigned long _System inet_addr(char *);
struct in_addr _System inet_makeaddr(unsigned long, unsigned long);
unsigned long _System inet_network(char *);
char * _System inet_ntoa(struct in_addr);
unsigned long _System inet_lnaof(struct in_addr);
unsigned long _System inet_netof(struct in_addr);
#endif /* __IN_32H */