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Annotation of 43BSDTahoe/man/man4/imp.4, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1983 Regents of the University of California.
        !             2: .\" All rights reserved.  The Berkeley software License Agreement
        !             3: .\" specifies the terms and conditions for redistribution.
        !             4: .\"
        !             5: .\"    @(#)imp.4p      6.2 (Berkeley) 5/16/86
        !             6: .\"
        !             7: .TH IMP 4P "May 16, 1986"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: imp \- IMP raw socket interface
        !            11: .SH SYNOPSIS
        !            12: .B #include <sys/socket.h>
        !            13: .br
        !            14: .B #include <netinet/in.h>
        !            15: .br
        !            16: .B #include <netimp/if_imp.h>
        !            17: .PP
        !            18: .B s = socket(AF_IMPLINK, SOCK_RAW, proto);
        !            19: .SH DESCRIPTION
        !            20: The raw imp socket provides direct access to the
        !            21: .IR imp (4)
        !            22: network interface.  Users send packets through
        !            23: the interface using the 
        !            24: .IR send (2)
        !            25: calls, and receive packets with the
        !            26: .IR recv (2),
        !            27: calls.  All outgoing packets must have an 1822 96-bit
        !            28: leader on the front.  Likewise, packets received
        !            29: by the user will have this leader on the front.  The
        !            30: 1822 leader and the legal values for the various fields
        !            31: are defined in the include file
        !            32: .RI < netimp/if_imp.h >.
        !            33: The raw imp interface automatically installs the length
        !            34: and destination address in the 1822 leader of all
        !            35: outgoing packets; these need not be filled in by the user.
        !            36: .PP
        !            37: If the protocol selected,
        !            38: .IR proto ,
        !            39: is zero,
        !            40: the socket will receive
        !            41: all IMP messages except RFNM and incompletes
        !            42: which are not input data for a kernel protocol.
        !            43: If
        !            44: .I proto
        !            45: is non-zero,
        !            46: only messages for the specified link type will be received.
        !            47: .SH DIAGNOSTICS
        !            48: An operation on a socket may fail with one of the following
        !            49: errors:
        !            50: .TP 15
        !            51: [EISCONN]
        !            52: when trying to establish a connection on a socket which
        !            53: already has one, or when trying to send a datagram with the destination
        !            54: address specified and the socket is already connected;
        !            55: .TP 15
        !            56: [ENOTCONN]
        !            57: when trying to send a datagram, but
        !            58: no destination address is specified, and the socket hasn't been
        !            59: connected;
        !            60: .TP 15
        !            61: [ENOBUFS]
        !            62: when the system runs out of memory for
        !            63: an internal data structure;
        !            64: .TP 15
        !            65: [ENOBUFS]
        !            66: eight messages to the destination host are outstanding,
        !            67: and another eight are already queued for output;
        !            68: .TP 15
        !            69: [EADDRNOTAVAIL]
        !            70: when an attempt is made to create a 
        !            71: socket with a network address for which no network interface
        !            72: exists.
        !            73: .SH SEE ALSO
        !            74: intro(4N), inet(4F), imp(4)

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