/* Copyright (C) 1991, 92, 93, 94, 95, 96 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> #include <linux/in.h> /* 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. */ IPPORT_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 /* Get the definition of the macro to define the common sockaddr members. */ #include <sockaddrcom.h> /* 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 __BEGIN_DECLS /* Bind socket FD to a privileged IP address SIN. */ extern int bindresvport __P((int __fd, struct sockaddr_in * __sin)); __END_DECLS #endif /* netinet/in.h */