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GFX Sensations 1
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Graphic Sensations - Volume 1.iso
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com_net
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tcp
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amitcp
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netinclude
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netinet
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in.h
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2000-01-01
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/*
* $Id: in.h,v 1.6 1993/06/04 11:16:15 jraja Exp $
*
* HISTORY
* $Log: in.h,v $
* Revision 1.6 1993/06/04 11:16:15 jraja
* Fixes for first public release.
*
* Revision 1.5 1993/04/13 22:07:58 jraja
* Added inclusion of sys/param.h, which include htons() et al, since many
* BSD programs think that they should be included from here.
*
* Revision 1.4 93/03/06 02:14:28 02:14:28 jraja (Jarno Tapio Rajahalme)
* Made INADDR_ANY visible in AmiTCP even in KERNEL, since library functions
* need it.
*
* Revision 1.3 93/03/03 22:07:51 22:07:51 jraja (Jarno Tapio Rajahalme)
* Changed explicit prototypes back.
*
* Revision 1.2 93/03/03 21:55:25 21:55:25 jraja (Jarno Tapio Rajahalme)
* Added #ifndef to prevent multiple inclusion.
*
* Revision 1.1 92/11/17 16:47:45 16:47:45 jraja (Jarno Tapio Rajahalme)
* Initial revision
*
*
*/
/*
* Copyright (c) 1982, 1986, 1990 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)in.h 7.11 (Berkeley) 4/20/91
*/
#ifndef IN_H
#define IN_H
/*
* Macros for network/external number representation conversion.
*/
#ifndef ntohl
#define ntohl(x) (x)
#define ntohs(x) (x)
#define htonl(x) (x)
#define htons(x) (x)
#define NTOHL(x) (x)
#define NTOHS(x) (x)
#define HTONL(x) (x)
#define HTONS(x) (x)
#endif
/*
* 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_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_TP 29 /* tp-4 w/ class negotiation */
#define IPPROTO_EON 80 /* ISO cnlp */
#define IPPROTO_RAW 255 /* raw IP packet */
#define IPPROTO_MAX 256
/*
* Local port number conventions:
* 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
/*
* Internet address (a structure for historical reasons)
*/
struct in_addr {
u_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) & 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_BROADCAST (u_long)0xffffffff /* must be masked */
#if !defined(KERNEL) || defined(AMITCP)
#define INADDR_NONE 0xffffffff /* -1 return */
#endif
#define IN_LOOPBACKNET 127 /* official! */
/*
* Socket address, internet style.
*/
struct sockaddr_in {
u_char sin_len;
u_char sin_family;
u_short sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};
/*
* Structure used to describe IP options.
* Used to store options internally, to pass them to a process,
* or to restore options retrieved earlier.
* The ip_dst is used for the first-hop gateway when using a source route
* (this gets put into the header proper).
*/
struct ip_opts {
struct in_addr ip_dst; /* first hop, 0 w/o src rt */
char ip_opts[40]; /* actually variable in size */
};
/*
* Options for use with [gs]etsockopt at the IP level.
* First word of comment is data type; bool is stored in int.
*/
#define IP_OPTIONS 1 /* buf/ip_opts; set/get IP per-packet options */
#define IP_HDRINCL 2 /* int; header is included with data (raw) */
#define IP_TOS 3 /* int; IP type of service and precedence */
#define IP_TTL 4 /* int; IP time to live */
#define IP_RECVOPTS 5 /* bool; receive all IP options w/datagram */
#define IP_RECVRETOPTS 6 /* bool; receive IP options for response */
#define IP_RECVDSTADDR 7 /* bool; receive IP dst addr w/datagram */
#define IP_RETOPTS 8 /* ip_opts; set/get IP per-packet options */
#ifdef KERNEL
struct in_addr in_makeaddr(u_long net,
u_long host);
u_long in_netof(struct in_addr in);
u_long in_lnaof(struct in_addr in);
#endif
#endif /* !IN_H */