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Annotation of 43BSDTahoe/man/man2/socketpair.2, 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: .\"    @(#)socketpair.2        6.1 (Berkeley) 5/15/85
        !             6: .\"
        !             7: .TH SOCKETPAIR 2 "May 15, 1985"
        !             8: .UC 5
        !             9: .SH NAME
        !            10: socketpair \- create a pair of connected sockets
        !            11: .SH SYNOPSIS
        !            12: .nf
        !            13: .ft B
        !            14: #include <sys/types.h>
        !            15: #include <sys/socket.h>
        !            16: .PP
        !            17: .ft B
        !            18: socketpair(d, type, protocol, sv)
        !            19: int d, type, protocol;
        !            20: int sv[2];
        !            21: .fi
        !            22: .SH DESCRIPTION
        !            23: The
        !            24: .I socketpair
        !            25: call creates an unnamed pair of connected sockets in
        !            26: the specified domain
        !            27: .IR d ,
        !            28: of the specified
        !            29: .IR type ,
        !            30: and using the optionally specified
        !            31: .IR protocol .
        !            32: The descriptors used in referencing the new sockets
        !            33: are returned in
        !            34: .IR sv [0]
        !            35: and
        !            36: .IR sv [1].
        !            37: The two sockets are indistinguishable.
        !            38: .SH DIAGNOSTICS
        !            39: A 0 is returned if the call succeeds, \-1 if it fails.
        !            40: .SH ERRORS
        !            41: The call succeeds unless:
        !            42: .TP 20
        !            43: [EMFILE]
        !            44: Too many descriptors are in use by this process.
        !            45: .TP 20
        !            46: [EAFNOSUPPORT]
        !            47: The specified address family is not supported on this machine.
        !            48: .TP 20
        !            49: [EPROTONOSUPPORT]
        !            50: The specified protocol is not supported on this machine.
        !            51: .TP 20
        !            52: [EOPNOSUPPORT]
        !            53: The specified protocol does not support creation of socket pairs.
        !            54: .TP 20
        !            55: [EFAULT]
        !            56: The address \fIsv\fP does not specify a valid part of the
        !            57: process address space.
        !            58: .SH "SEE ALSO"
        !            59: read(2), write(2), pipe(2)
        !            60: .SH BUGS
        !            61: This call is currently implemented only for the UNIX domain.

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