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Annotation of 43BSDReno/share/man/man4/imp.4, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1983 The Regents of the University of California.
                      2: .\" All rights reserved.
                      3: .\"
                      4: .\" Redistribution and use in source and binary forms are permitted provided
                      5: .\" that: (1) source distributions retain this entire copyright notice and
                      6: .\" comment, and (2) distributions including binaries display the following
                      7: .\" acknowledgement:  ``This product includes software developed by the
                      8: .\" University of California, Berkeley and its contributors'' in the
                      9: .\" documentation or other materials provided with the distribution and in
                     10: .\" all advertising materials mentioning features or use of this software.
                     11: .\" Neither the name of the University nor the names of its contributors may
                     12: .\" be used to endorse or promote products derived from this software without
                     13: .\" specific prior written permission.
                     14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     17: .\"
                     18: .\"    @(#)imp.4       6.4 (Berkeley) 6/23/90
                     19: .\"
                     20: .TH IMP 4 "June 23, 1990"
                     21: .UC 5
                     22: .SH NAME
                     23: imp \- IMP raw socket interface
                     24: .SH SYNOPSIS
                     25: .B #include <sys/socket.h>
                     26: .br
                     27: .B #include <netinet/in.h>
                     28: .br
                     29: .B #include <netimp/if_imp.h>
                     30: .PP
                     31: .B s = socket(AF_IMPLINK, SOCK_RAW, proto);
                     32: .SH DESCRIPTION
                     33: The raw imp socket provides direct access to the
                     34: .IR imp (4)
                     35: network interface.  Users send packets through
                     36: the interface using the 
                     37: .IR send (2)
                     38: calls, and receive packets with the
                     39: .IR recv (2),
                     40: calls.  All outgoing packets must have an 1822 96-bit
                     41: leader on the front.  Likewise, packets received
                     42: by the user will have this leader on the front.  The
                     43: 1822 leader and the legal values for the various fields
                     44: are defined in the include file
                     45: .RI < netimp/if_imp.h >.
                     46: The raw imp interface automatically installs the length
                     47: and destination address in the 1822 leader of all
                     48: outgoing packets; these need not be filled in by the user.
                     49: .PP
                     50: If the protocol selected,
                     51: .IR proto ,
                     52: is zero,
                     53: the socket will receive
                     54: all IMP messages except RFNM and incompletes
                     55: which are not input data for a kernel protocol.
                     56: If
                     57: .I proto
                     58: is non-zero,
                     59: only messages for the specified link type will be received.
                     60: .SH DIAGNOSTICS
                     61: An operation on a socket may fail with one of the following
                     62: errors:
                     63: .TP 15
                     64: [EISCONN]
                     65: when trying to establish a connection on a socket which
                     66: already has one, or when trying to send a datagram with the destination
                     67: address specified and the socket is already connected;
                     68: .TP 15
                     69: [ENOTCONN]
                     70: when trying to send a datagram, but
                     71: no destination address is specified, and the socket hasn't been
                     72: connected;
                     73: .TP 15
                     74: [ENOBUFS]
                     75: when the system runs out of memory for
                     76: an internal data structure;
                     77: .TP 15
                     78: [ENOBUFS]
                     79: eight messages to the destination host are outstanding,
                     80: and another eight are already queued for output;
                     81: .TP 15
                     82: [EADDRNOTAVAIL]
                     83: when an attempt is made to create a 
                     84: socket with a network address for which no network interface
                     85: exists.
                     86: .SH SEE ALSO
                     87: intro(4), inet(4), imp(4)

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