home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
tcp30tkt.zip
/
PGMG1.ZIP
/
INCLUDE
/
NETINET
/
IN.H
< prev
next >
Wrap
Text File
|
1995-12-04
|
4KB
|
120 lines
#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.
*/
/*
* 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_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_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 */
#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 */
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 */