400 lines
12 KiB
C
400 lines
12 KiB
C
/* @(#)63 1.10.2.6 src/bos/kernel/sys/socket.h, sockinc, bos411, 9433A411a 8/12/94 10:09:09 */
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/*
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* COMPONENT_NAME: SOCKINC
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*
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* FUNCTIONS: CMSG_DATA
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* CMSG_FIRSTHDR
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* CMSG_NXTHDR
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*
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*
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* ORIGINS: 26,27,85
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*
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*
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* (C) COPYRIGHT International Business Machines Corp. 1988,1993
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* All Rights Reserved
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* Licensed Materials - Property of IBM
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* US Government Users Restricted Rights - Use, duplication or
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* disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
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*/
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/*
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*
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* (c) Copyright 1991, OPEN SOFTWARE FOUNDATION, INC.
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* ALL RIGHTS RESERVED
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*
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*/
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/*
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* OSF/1 1.2
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*/
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/* @(#)socket.h 2.1 16:08:05 4/20/90 SecureWare */
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/*
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* Copyright (c) 1982,1985,1986,1988 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted provided
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* that: (1) source distributions retain this entire copyright notice and
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* comment, and (2) distributions including binaries display the following
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* acknowledgement: ``This product includes software developed by the
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* University of California, Berkeley and its contributors'' in the
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* documentation or other materials provided with the distribution and in
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* all advertising materials mentioning features or use of this software.
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* Neither the name of the University nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Base: socket.h 7.6 (Berkeley) 9/4/89
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* Merged: socket.h 7.10 (Berkeley) 6/28/90
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*/
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#ifndef _SYS_SOCKET_H_
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#define _SYS_SOCKET_H_
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/*
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* Definitions related to sockets: types, address families, options.
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*/
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/*
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* Types
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*/
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#define SOCK_STREAM 1 /* stream socket */
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#define SOCK_DGRAM 2 /* datagram socket */
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#define SOCK_RAW 3 /* raw-protocol interface */
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#define SOCK_RDM 4 /* reliably-delivered message */
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#define SOCK_SEQPACKET 5 /* sequenced packet stream */
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/*
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* Option flags per-socket.
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*/
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#define SO_DEBUG 0x0001 /* turn on debugging info recording */
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#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
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#define SO_REUSEADDR 0x0004 /* allow local address reuse */
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#define SO_KEEPALIVE 0x0008 /* keep connections alive */
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#define SO_DONTROUTE 0x0010 /* just use interface addresses */
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#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
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#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
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#define SO_LINGER 0x0080 /* linger on close if data present */
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#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
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#define SO_CKSUMRECV 0x0800 /* defer checksum until receive */
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/*
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* Additional options, not kept in so_options.
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*/
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#define SO_SNDBUF 0x1001 /* send buffer size */
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#define SO_RCVBUF 0x1002 /* receive buffer size */
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#define SO_SNDLOWAT 0x1003 /* send low-water mark */
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#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
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#define SO_SNDTIMEO 0x1005 /* send timeout */
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#define SO_RCVTIMEO 0x1006 /* receive timeout */
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#define SO_ERROR 0x1007 /* get error status and clear */
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#define SO_TYPE 0x1008 /* get socket type */
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/*
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* Structure used for manipulating linger option.
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*/
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struct linger {
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int l_onoff; /* option on/off */
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int l_linger; /* linger time */
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};
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/*
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* Level number for (get/set)sockopt() to apply to socket itself.
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*/
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#define SOL_SOCKET 0xffff /* options for socket level */
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/*
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* Address families.
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*/
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#define AF_UNSPEC 0 /* unspecified */
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#define AF_UNIX 1 /* local to host (pipes, portals) */
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#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
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#define AF_IMPLINK 3 /* arpanet imp addresses */
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#define AF_PUP 4 /* pup protocols: e.g. BSP */
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#define AF_CHAOS 5 /* mit CHAOS protocols */
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#define AF_NS 6 /* XEROX NS protocols */
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#define AF_ISO 7 /* ISO protocols */
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#define AF_OSI AF_ISO
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#define AF_ECMA 8 /* european computer manufacturers */
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#define AF_DATAKIT 9 /* datakit protocols */
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#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
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#define AF_SNA 11 /* IBM SNA */
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#define AF_DECnet 12 /* DECnet */
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#define AF_DLI 13 /* DEC Direct data link interface */
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#define AF_LAT 14 /* LAT */
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#define AF_HYLINK 15 /* NSC Hyperchannel */
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#define AF_APPLETALK 16 /* Apple Talk */
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#define AF_ROUTE 17 /* Internal Routing Protocol */
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#define AF_LINK 18 /* Link layer interface */
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#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
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#ifdef _AIX
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#define AF_INTF 20 /* Debugging use only */
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#define AF_RIF 21 /* raw interface */
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#define AF_NETWARE 22
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#define AF_NDD 23
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#define AF_MAX 30
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#else
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#define AF_MAX 20
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#endif
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#if !defined(COMPAT_43) || defined(_KERNEL)
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/*
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* Structure used by kernel to store most
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* addresses.
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*/
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struct sockaddr {
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u_char sa_len; /* total length */
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u_char sa_family; /* address family */
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char sa_data[14]; /* actually longer; address value */
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};
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/*
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* 4.3 compat sockaddr, move to compat file later
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*/
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struct osockaddr {
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u_short sa_family; /* address family */
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char sa_data[14]; /* up to 14 bytes of direct address */
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};
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#ifndef _KERNEL
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#define recvfrom nrecvfrom
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#define accept naccept
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#define getpeername ngetpeername
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#define getsockname ngetsockname
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#endif
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#else /* BSD4.3 */
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struct sockaddr {
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u_short sa_family; /* address family */
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char sa_data[14]; /* up to 14 bytes of direct address */
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};
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#endif /* BSD4.3 */
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/*
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* Structure used by kernel to pass protocol
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* information in raw sockets.
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*/
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struct sockproto {
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u_short sp_family; /* address family */
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u_short sp_protocol; /* protocol */
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};
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/*
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* Protocol families, same as address families for now.
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*/
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#define PF_UNSPEC AF_UNSPEC
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#define PF_UNIX AF_UNIX
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#define PF_INET AF_INET
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#define PF_IMPLINK AF_IMPLINK
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#define PF_PUP AF_PUP
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#define PF_CHAOS AF_CHAOS
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#define PF_NS AF_NS
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#define PF_ISO AF_ISO
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#define PF_OSI AF_ISO
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#define PF_ECMA AF_ECMA
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#define PF_DATAKIT AF_DATAKIT
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#define PF_CCITT AF_CCITT
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#define PF_SNA AF_SNA
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#define PF_DECnet AF_DECnet
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#define PF_DLI AF_DLI
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#define PF_LAT AF_LAT
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#define PF_HYLINK AF_HYLINK
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#define PF_APPLETALK AF_APPLETALK
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#define PF_ROUTE AF_ROUTE
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#define PF_LINK AF_LINK
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#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
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#ifdef _AIX
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#define PF_INTF AF_INTF
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#define PF_RIF AF_RIF
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#define PF_INTF AF_INTF /* Used by sysx/intf */
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#define PF_NDD AF_NDD
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#endif
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#define PF_MAX AF_MAX
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/*
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* Maximum queue length specifiable by listen.
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*/
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#ifdef _AIX
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#define SOMAXCONN 10
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#else
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#define SOMAXCONN 5
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#endif
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#if !defined(COMPAT_43) || defined(_KERNEL)
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/*
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* Message header for recvmsg and sendmsg calls.
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* Used value-result for recvmsg, value only for sendmsg.
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*/
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#ifdef _XOPEN_EXTENDED_SOURCE
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struct msghdr {
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void *msg_name; /* optional address */
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size_t msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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unsigned int msg_iovlen; /* # elements in msg_iov */
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struct cmghdr *msg_control; /* ancillary data, see below */
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size_t msg_controllen; /* ancillary data buffer len */
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int msg_flags; /* flags on received message */
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};
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#else
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struct msghdr {
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caddr_t msg_name; /* optional address */
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u_int msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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u_int msg_iovlen; /* # elements in msg_iov */
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caddr_t msg_control; /* ancillary data, see below */
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u_int msg_controllen; /* ancillary data buffer len */
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int msg_flags; /* flags on received message */
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};
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#endif /*_XOPEN_EXTENDED_SOURCE */
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/*
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* 4.3-compat message header (move to compat file later).
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*/
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struct omsghdr {
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caddr_t msg_name; /* optional address */
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int msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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int msg_iovlen; /* # elements in msg_iov */
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caddr_t msg_accrights; /* access rights sent/received */
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int msg_accrightslen;
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};
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#ifndef _KERNEL
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#define recvmsg nrecvmsg
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#define sendmsg nsendmsg
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#endif
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#else /* BSD4.3 */
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struct msghdr {
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caddr_t msg_name; /* optional address */
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int msg_namelen; /* size of address */
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struct iovec *msg_iov; /* scatter/gather array */
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int msg_iovlen; /* # elements in msg_iov */
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caddr_t msg_accrights; /* access rights sent/received */
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int msg_accrightslen;
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};
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#endif /* BSD4.3 */
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#define MSG_MAXIOVLEN 16 /* compat only, no longer enforced */
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#ifndef UIO_MAXIOV
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#define UIO_MAXIOV 1024 /* max 1K of iov's */
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#endif
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#ifndef UIO_SMALLIOV
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#define UIO_SMALLIOV 8 /* 8 on stack, else malloc */
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#endif
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#define MSG_OOB 0x1 /* process out-of-band data */
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#define MSG_PEEK 0x2 /* peek at incoming message */
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#define MSG_DONTROUTE 0x4 /* send without using routing tables */
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#define MSG_EOR 0x8 /* data completes record */
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#define MSG_TRUNC 0x10 /* data discarded before delivery */
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#define MSG_CTRUNC 0x20 /* control data lost before delivery */
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#define MSG_WAITALL 0x40 /* wait for full request or error */
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/* Following used within kernel */
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#define MSG_NONBLOCK 0x4000 /* nonblocking request */
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#define MSG_COMPAT 0x8000 /* 4.3-format sockaddr */
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/*
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* Header for ancillary data objects in msg_control buffer.
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* Used for additional information with/about a datagram
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* not expressible by flags. The format is a sequence
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* of message elements headed by cmsghdr structures.
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*/
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struct cmsghdr {
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#ifdef _XOPEN_EXTENDED_SOURCE
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size_t cmsg_len;
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#else
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u_int cmsg_len; /* data byte count, including hdr */
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#endif /* _XOPEN_EXTENDED_SOURCE */
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int cmsg_level; /* originating protocol */
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int cmsg_type; /* protocol-specific type */
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/* followed by u_char cmsg_data[]; */
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};
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/* given pointer to struct adatahdr, return pointer to data */
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#define CMSG_DATA(cmsg) ((u_char *)((cmsg) + 1))
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/* given pointer to struct adatahdr, return pointer to next adatahdr */
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#define CMSG_NXTHDR(mhdr, cmsg) \
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(((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \
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(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
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(struct cmsghdr *)NULL : \
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(struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len)))
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#define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
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/* "Socket"-level control message types: */
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#define SCM_RIGHTS 0x01 /* access rights (array of int) */
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#ifndef _KERNEL
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#ifdef _NO_PROTO
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int accept();
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int bind();
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int connect();
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int getpeername();
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int getsockname();
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int getsockopt();
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int listen();
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#ifdef _XOPEN_EXTENDED_SOURCE
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ssize_t recv();
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ssize_t recvfrom();
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ssize_t recvmsg();
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ssize_t send();
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ssize_t sendto();
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ssize_t sendmsg();
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#else
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int recv();
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int recvfrom();
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int recvmsg();
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int send();
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int sendto();
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int sendmsg();
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#endif /* _XOPEN_EXTENDED_SOURCE */
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int setsockopt();
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int shutdown();
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int socket();
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int socketpair();
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#else /* _NO_PROTO */
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int accept(int, struct sockaddr *, int *);
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int bind(int, const struct sockaddr *, int);
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int connect(int, const struct sockaddr *, int);
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int getpeername(int, struct sockaddr *, int *);
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#ifdef _XOPEN_EXTENDED_SOURCE
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int getsockname(int, struct sockaddr *, int);
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#else
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int getsockname(int, struct sockaddr *, int *);
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#endif /* _XOPEN_EXTENDED_SOURCE */
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int getsockopt(int, int, int, void *, int *);
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int listen(int, int);
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#ifdef _XOPEN_EXTENDED_SOURCE
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ssize_t recv(int, void *, int, int);
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ssize_t recvfrom(int, void *, int, int, struct sockaddr *, size_t *);
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ssize_t recvmsg(int, struct msghdr *, int);
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ssize_t send(int, const void *, int, int);
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ssize_t sendto(int, const void *, int, int, const struct sockaddr *, int);
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ssize_t sendmsg(int, const struct msghdr *, int);
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int setsockopt(int, int, int, void *, size_t *);
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#else
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int recv(int, void *, int, int);
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int recvfrom(int, void *, int, int, struct sockaddr *, int *);
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int recvmsg(int, struct msghdr *, int);
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int send(int, const void *, int, int);
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int sendto(int, const void *, int, int, const struct sockaddr *, int);
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int sendmsg(int, const struct msghdr *, int);
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int setsockopt(int, int, int, const void *, int);
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#endif /* _XOPEN_EXTENDED_SOURCE */
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int shutdown(int, int);
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int socket(int, int, int);
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int socketpair(int, int, int, int *);
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#endif
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#endif
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#endif
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