home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with the GNU C Library; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef _NETINET_IN_H
-
- #define _NETINET_IN_H 1
- #include <features.h>
-
- #include <sys/socket.h>
-
-
- /* Standard well-defined IP protocols. */
- enum
- {
- IPPROTO_IP = 0, /* Dummy protocol for TCP. */
- IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */
- IPPROTO_GGP = 2, /* Gateway Protocol (deprecated). */
- IPPROTO_TCP = 6, /* Transmission Control Protocol. */
- IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */
- IPPROTO_PUP = 12, /* PUP protocol. */
- IPPROTO_UDP = 17, /* User Datagram Protocol. */
- IPPROTO_IDP = 22, /* XNS IDP protocol. */
-
- IPPROTO_RAW = 255, /* Raw IP packets. */
- IPPROTO_MAX,
- };
-
- /* Standard well-known ports. */
- enum
- {
- IPPORT_ECHO = 7, /* Echo service. */
- IPPORT_DISCARD = 9, /* Discard transmissions service. */
- IPPORT_SYSTAT = 11, /* System status service. */
- IPPORT_DAYTIME = 13, /* Time of day service. */
- IPPORT_NETSTAT = 15, /* Network status service. */
- IPPORT_FTP = 21, /* File Transfer Protocol. */
- IPPORT_TELNET = 23, /* Telnet protocol. */
- IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */
- IPPORT_TIMESERVER = 37, /* Timeserver service. */
- IPPORT_NAMESERVER = 42, /* Domain Name Service. */
- IPPROT_WHOIS = 43, /* Internet Whois service. */
- IPPORT_MTP = 57,
-
- IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */
- IPPORT_RJE = 77,
- IPPORT_FINGER = 79, /* Finger service. */
- IPPORT_TTYLINK = 87,
- IPPORT_SUPDUP = 95, /* SUPDUP protocol. */
-
-
- IPPORT_EXECSERVER = 512, /* execd service. */
- IPPORT_LOGINSERVER = 513, /* rlogind service. */
- IPPORT_CMDSERVER = 514,
- IPPORT_EFSSERVER = 520,
-
- /* UDP ports. */
- IPPORT_BIFFUDP = 512,
- IPPORT_WHOSERVER = 513,
- IPPORT_ROUTESERVER = 520,
-
- /* Ports less than this value are reserved for privileged processes. */
- IPPORT_RESERVED = 1024,
-
- /* Ports greater this value are reserved for (non-privileged) servers. */
- IPPORT_USERRESERVED = 5000,
- };
-
-
- /* Link numbers. */
- #define IMPLINK_IP 155
- #define IMPLINK_LOWEXPER 156
- #define IMPLINK_HIGHEXPER 158
-
-
- /* Internet address. */
- struct in_addr
- {
- unsigned long int s_addr;
- };
-
-
- /* Definitions of the bits in an Internet address integer.
-
- On subnets, host and network parts are found according to
- the subnet mask, not these masks. */
-
- #define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0)
- #define IN_CLASSA_NET 0xff000000
- #define IN_CLASSA_NSHIFT 24
- #define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
- #define IN_CLASSA_MAX 128
-
- #define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000)
- #define IN_CLASSB_NET 0xffff0000
- #define IN_CLASSB_NSHIFT 16
- #define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
- #define IN_CLASSB_MAX 65536
-
- #define IN_CLASSC(a) ((((long int) (a)) & 0xc0000000) == 0xc0000000)
- #define IN_CLASSC_NET 0xffffff00
- #define IN_CLASSC_NSHIFT 8
- #define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
-
- #define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) = 0xe0000000)
- #define IN_MULTICAST(a) IN_CLASSD(a)
-
- #define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xe0000000) = 0xe0000000)
- #define IN_BADCLASS(a) ((((long int) (a)) & 0xf0000000) = 0xf0000000)
-
- /* Address to accept any incoming messages. */
- #define INADDR_ANY ((unsigned long int) 0x00000000)
- /* Address to send to all hosts. */
- #define INADDR_BROADCAST ((unsigned long int) 0xffffffff)
- /* Address indicating an error return. */
- #define INADDR_NONE 0xffffffff
-
- /* Network number for local host loopback. */
- #define IN_LOOPBACKNET 127
- /* Address to loopback in software to local host. */
- #define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */
-
-
- /* Structure describing an Internet socket address. */
- struct sockaddr_in
- {
- short int sin_family; /* Address family. */
- unsigned short int sin_port; /* Port number. */
- struct in_addr sin_addr; /* Internet address. */
-
- /* Pad to size of `struct sockaddr'. */
- unsigned char __pad[sizeof(struct sockaddr) - sizeof(short int) -
- sizeof(unsigned short int) - sizeof(struct in_addr)];
- };
-
-
- /* Options for use with `getsockopt' and `setsockopt' at the IP level.
- The first word in the comment at the right is the data type used;
- "bool" means a boolean value stored in an `int'. */
- #define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */
- #define IP_HDRINCL 2 /* int; Header is included with data. */
- #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. */
-
- /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
- The `ip_dst' field 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; zero without source route. */
- char ip_opts[40]; /* Actually variable in size. */
- };
-
-
- /* Functions to convert between host and network byte order. */
-
- extern unsigned long int ntohl __P ((unsigned long int));
- extern unsigned short int ntohs __P ((unsigned short int));
- extern unsigned long int htonl __P ((unsigned long int));
- extern unsigned short int htons __P ((unsigned short int));
-
- #include <endian.h>
-
- #if __BYTE_ORDER == __BIG_ENDIAN
- /* The host byte order is the same as network byte order,
- so these functions are all just identity. */
- #define ntohl(x) (x)
- #define ntohs(x) (x)
- #define htonl(x) (x)
- #define htons(x) (x)
- #endif
-
- #endif /* netinet/in.h */
-