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diff --git a/Master/tlpkg/tlperl/lib/IO/Socket/UNIX.pm b/Master/tlpkg/tlperl/lib/IO/Socket/UNIX.pm
new file mode 100755
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+++ b/Master/tlpkg/tlperl/lib/IO/Socket/UNIX.pm
@@ -0,0 +1,143 @@
+# IO::Socket::UNIX.pm
+#
+# Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved.
+# This program is free software; you can redistribute it and/or
+# modify it under the same terms as Perl itself.
+
+package IO::Socket::UNIX;
+
+use strict;
+our(@ISA, $VERSION);
+use IO::Socket;
+use Carp;
+
+@ISA = qw(IO::Socket);
+$VERSION = "1.23";
+$VERSION = eval $VERSION;
+
+IO::Socket::UNIX->register_domain( AF_UNIX );
+
+sub new {
+    my $class = shift;
+    unshift(@_, "Peer") if @_ == 1;
+    return $class->SUPER::new(@_);
+}
+
+sub configure {
+    my($sock,$arg) = @_;
+    my($bport,$cport);
+
+    my $type = $arg->{Type} || SOCK_STREAM;
+
+    $sock->socket(AF_UNIX, $type, 0) or
+	return undef;
+
+    if(exists $arg->{Local}) {
+	my $addr = sockaddr_un($arg->{Local});
+	$sock->bind($addr) or
+	    return undef;
+    }
+    if(exists $arg->{Listen} && $type != SOCK_DGRAM) {
+	$sock->listen($arg->{Listen} || 5) or
+	    return undef;
+    }
+    elsif(exists $arg->{Peer}) {
+	my $addr = sockaddr_un($arg->{Peer});
+	$sock->connect($addr) or
+	    return undef;
+    }
+
+    $sock;
+}
+
+sub hostpath {
+    @_ == 1 or croak 'usage: $sock->hostpath()';
+    my $n = $_[0]->sockname || return undef;
+    (sockaddr_un($n))[0];
+}
+
+sub peerpath {
+    @_ == 1 or croak 'usage: $sock->peerpath()';
+    my $n = $_[0]->peername || return undef;
+    (sockaddr_un($n))[0];
+}
+
+1; # Keep require happy
+
+__END__
+
+=head1 NAME
+
+IO::Socket::UNIX - Object interface for AF_UNIX domain sockets
+
+=head1 SYNOPSIS
+
+    use IO::Socket::UNIX;
+
+=head1 DESCRIPTION
+
+C<IO::Socket::UNIX> provides an object interface to creating and using sockets
+in the AF_UNIX domain. It is built upon the L<IO::Socket> interface and
+inherits all the methods defined by L<IO::Socket>.
+
+=head1 CONSTRUCTOR
+
+=over 4
+
+=item new ( [ARGS] )
+
+Creates an C<IO::Socket::UNIX> object, which is a reference to a
+newly created symbol (see the C<Symbol> package). C<new>
+optionally takes arguments, these arguments are in key-value pairs.
+
+In addition to the key-value pairs accepted by L<IO::Socket>,
+C<IO::Socket::UNIX> provides.
+
+    Type    	Type of socket (eg SOCK_STREAM or SOCK_DGRAM)
+    Local   	Path to local fifo
+    Peer    	Path to peer fifo
+    Listen  	Create a listen socket
+
+If the constructor is only passed a single argument, it is assumed to
+be a C<Peer> specification.
+
+
+ NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
+
+As of VERSION 1.18 all IO::Socket objects have autoflush turned on
+by default. This was not the case with earlier releases.
+
+ NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
+
+=back
+
+=head1 METHODS
+
+=over 4
+
+=item hostpath()
+
+Returns the pathname to the fifo at the local end
+
+=item peerpath()
+
+Returns the pathanme to the fifo at the peer end
+
+=back
+
+=head1 SEE ALSO
+
+L<Socket>, L<IO::Socket>
+
+=head1 AUTHOR
+
+Graham Barr. Currently maintained by the Perl Porters.  Please report all
+bugs to <perl5-porters@perl.org>.
+
+=head1 COPYRIGHT
+
+Copyright (c) 1996-8 Graham Barr <gbarr@pobox.com>. All rights reserved.
+This program is free software; you can redistribute it and/or
+modify it under the same terms as Perl itself.
+
+=cut