....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /usr/share/perl5//chat2.pl
# chat.pl: chat with a server
#
# This library is no longer being maintained, and is included for backward
# compatibility with Perl 4 programs which may require it.
#
# In particular, this should not be used as an example of modern Perl
# programming techniques.
#
# Suggested alternative: Socket
#
# Based on: V2.01.alpha.7 91/06/16
# Randal L. Schwartz (was <merlyn@stonehenge.com>)
# multihome additions by A.Macpherson@bnr.co.uk
# allow for /dev/pts based systems by Joe Doupnik <JRD@CC.USU.EDU>

package chat;

require 'sys/socket.ph';

if( defined( &main'PF_INET ) ){
	$pf_inet = &main'PF_INET;
	$sock_stream = &main'SOCK_STREAM;
	local($name, $aliases, $proto) = getprotobyname( 'tcp' );
	$tcp_proto = $proto;
}
else {
	# XXX hardwired $PF_INET, $SOCK_STREAM, 'tcp'
	# but who the heck would change these anyway? (:-)
	$pf_inet = 2;
	$sock_stream = 1;
	$tcp_proto = 6;
}


$sockaddr = 'S n a4 x8';
chop($thishost = `hostname`);

# *S = symbol for current I/O, gets assigned *chatsymbol....
$next = "chatsymbol000000"; # next one
$nextpat = "^chatsymbol"; # patterns that match next++, ++, ++, ++


## $handle = &chat'open_port("server.address",$port_number);
## opens a named or numbered TCP server

sub open_port { ## public
	local($server, $port) = @_;

	local($serveraddr,$serverproc);

	# We may be multi-homed, start with 0, fixup once connexion is made
	$thisaddr = "\0\0\0\0" ;
	$thisproc = pack($sockaddr, 2, 0, $thisaddr);

	*S = ++$next;
	if ($server =~ /^(\d+)+\.(\d+)\.(\d+)\.(\d+)$/) {
		$serveraddr = pack('C4', $1, $2, $3, $4);
	} else {
		local(@x) = gethostbyname($server);
		return undef unless @x;
		$serveraddr = $x[4];
	}
	$serverproc = pack($sockaddr, 2, $port, $serveraddr);
	unless (socket(S, $pf_inet, $sock_stream, $tcp_proto)) {
		($!) = ($!, close(S)); # close S while saving $!
		return undef;
	}
	unless (bind(S, $thisproc)) {
		($!) = ($!, close(S)); # close S while saving $!
		return undef;
	}
	unless (connect(S, $serverproc)) {
		($!) = ($!, close(S)); # close S while saving $!
		return undef;
	}
# We opened with the local address set to ANY, at this stage we know
# which interface we are using.  This is critical if our machine is
# multi-homed, with IP forwarding off, so fix-up.
	local($fam,$lport);
	($fam,$lport,$thisaddr) = unpack($sockaddr, getsockname(S));
	$thisproc = pack($sockaddr, 2, 0, $thisaddr);
# end of post-connect fixup
	select((select(S), $| = 1)[0]);
	$next; # return symbol for switcharound
}

## ($host, $port, $handle) = &chat'open_listen([$port_number]);
## opens a TCP port on the current machine, ready to be listened to
## if $port_number is absent or zero, pick a default port number
## process must be uid 0 to listen to a low port number

sub open_listen { ## public

	*S = ++$next;
	local($thisport) = shift || 0;
	local($thisproc_local) = pack($sockaddr, 2, $thisport, $thisaddr);
	local(*NS) = "__" . time;
	unless (socket(NS, $pf_inet, $sock_stream, $tcp_proto)) {
		($!) = ($!, close(NS));
		return undef;
	}
	unless (bind(NS, $thisproc_local)) {
		($!) = ($!, close(NS));
		return undef;
	}
	unless (listen(NS, 1)) {
		($!) = ($!, close(NS));
		return undef;
	}
	select((select(NS), $| = 1)[0]);
	local($family, $port, @myaddr) =
		unpack("S n C C C C x8", getsockname(NS));
	$S{"needs_accept"} = *NS; # so expect will open it
	(@myaddr, $port, $next); # returning this
}

## $handle = &chat'open_proc("command","arg1","arg2",...);
## opens a /bin/sh on a pseudo-tty

sub open_proc { ## public
	local(@cmd) = @_;

	*S = ++$next;
	local(*TTY) = "__TTY" . time;
	local($pty,$tty) = &_getpty(S,TTY);
	die "Cannot find a new pty" unless defined $pty;
	$pid = fork;
	die "Cannot fork: $!" unless defined $pid;
	unless ($pid) {
		close STDIN; close STDOUT; close STDERR;
		setpgrp(0,$$);
		if (open(DEVTTY, "/dev/tty")) {
		    ioctl(DEVTTY,0x20007471,0);		# XXX s/b &TIOCNOTTY
		    close DEVTTY;
		}
		open(STDIN,"<&TTY");
		open(STDOUT,">&TTY");
		open(STDERR,">&STDOUT");
		die "Oops" unless fileno(STDERR) == 2;	# sanity
		close(S);
		exec @cmd;
		die "Cannot exec @cmd: $!";
	}
	close(TTY);
	$next; # return symbol for switcharound
}

# $S is the read-ahead buffer

## $return = &chat'expect([$handle,] $timeout_time,
## 	$pat1, $body1, $pat2, $body2, ... )
## $handle is from previous &chat'open_*().
## $timeout_time is the time (either relative to the current time, or
## absolute, ala time(2)) at which a timeout event occurs.
## $pat1, $pat2, and so on are regexs which are matched against the input
## stream.  If a match is found, the entire matched string is consumed,
## and the corresponding body eval string is evaled.
##
## Each pat is a regular-expression (probably enclosed in single-quotes
## in the invocation).  ^ and $ will work, respecting the current value of $*.
## If pat is 'TIMEOUT', the body is executed if the timeout is exceeded.
## If pat is 'EOF', the body is executed if the process exits before
## the other patterns are seen.
##
## Pats are scanned in the order given, so later pats can contain
## general defaults that won't be examined unless the earlier pats
## have failed.
##
## The result of eval'ing body is returned as the result of
## the invocation.  Recursive invocations are not thought
## through, and may work only accidentally. :-)
##
## undef is returned if either a timeout or an eof occurs and no
## corresponding body has been defined.
## I/O errors of any sort are treated as eof.

$nextsubname = "expectloop000000"; # used for subroutines

sub expect { ## public
	if ($_[0] =~ /$nextpat/) {
		*S = shift;
	}
	local($endtime) = shift;

	local($timeout,$eof) = (1,1);
	local($caller) = caller;
	local($rmask, $nfound, $timeleft, $thisbuf);
	local($cases, $pattern, $action, $subname);
	$endtime += time if $endtime < 600_000_000;

	if (defined $S{"needs_accept"}) { # is it a listen socket?
		local(*NS) = $S{"needs_accept"};
		delete $S{"needs_accept"};
		$S{"needs_close"} = *NS;
		unless(accept(S,NS)) {
			($!) = ($!, close(S), close(NS));
			return undef;
		}
		select((select(S), $| = 1)[0]);
	}

	# now see whether we need to create a new sub:

	unless ($subname = $expect_subname{$caller,@_}) {
		# nope.  make a new one:
		$expect_subname{$caller,@_} = $subname = $nextsubname++;

		$cases .= <<"EDQ"; # header is funny to make everything elsif's
sub $subname {
	LOOP: {
		if (0) { ; }
EDQ
		while (@_) {
			($pattern,$action) = splice(@_,0,2);
			if ($pattern =~ /^eof$/i) {
				$cases .= <<"EDQ";
		elsif (\$eof) {
	 		package $caller;
			$action;
		}
EDQ
				$eof = 0;
			} elsif ($pattern =~ /^timeout$/i) {
			$cases .= <<"EDQ";
		elsif (\$timeout) {
		 	package $caller;
			$action;
		}
EDQ
				$timeout = 0;
			} else {
				$pattern =~ s#/#\\/#g;
			$cases .= <<"EDQ";
		elsif (\$S =~ /$pattern/) {
			\$S = \$';
		 	package $caller;
			$action;
		}
EDQ
			}
		}
		$cases .= <<"EDQ" if $eof;
		elsif (\$eof) {
			undef;
		}
EDQ
		$cases .= <<"EDQ" if $timeout;
		elsif (\$timeout) {
			undef;
		}
EDQ
		$cases .= <<'ESQ';
		else {
			$rmask = "";
			vec($rmask,fileno(S),1) = 1;
			($nfound, $rmask) =
		 		select($rmask, undef, undef, $endtime - time);
			if ($nfound) {
				$nread = sysread(S, $thisbuf, 1024);
				if ($nread > 0) {
					$S .= $thisbuf;
				} else {
					$eof++, redo LOOP; # any error is also eof
				}
			} else {
				$timeout++, redo LOOP; # timeout
			}
			redo LOOP;
		}
	}
}
ESQ
		eval $cases; die "$cases:\n$@" if $@;
	}
	$eof = $timeout = 0;
	do $subname();
}

## &chat'print([$handle,] @data)
## $handle is from previous &chat'open().
## like print $handle @data

sub print { ## public
	if ($_[0] =~ /$nextpat/) {
		*S = shift;
	}

	local $out = join $, , @_;
	syswrite(S, $out, length $out);
	if( $chat'debug ){
		print STDERR "printed:";
		print STDERR @_;
	}
}

## &chat'close([$handle,])
## $handle is from previous &chat'open().
## like close $handle

sub close { ## public
	if ($_[0] =~ /$nextpat/) {
	 	*S = shift;
	}
	close(S);
	if (defined $S{"needs_close"}) { # is it a listen socket?
		local(*NS) = $S{"needs_close"};
		delete $S{"needs_close"};
		close(NS);
	}
}

## @ready_handles = &chat'select($timeout, @handles)
## select()'s the handles with a timeout value of $timeout seconds.
## Returns an array of handles that are ready for I/O.
## Both user handles and chat handles are supported (but beware of
## stdio's buffering for user handles).

sub select { ## public
	local($timeout) = shift;
	local(@handles) = @_;
	local(%handlename) = ();
	local(%ready) = ();
	local($caller) = caller;
	local($rmask) = "";
	for (@handles) {
		if (/$nextpat/o) { # one of ours... see if ready
			local(*SYM) = $_;
			if (length($SYM)) {
				$timeout = 0; # we have a winner
				$ready{$_}++;
			}
			$handlename{fileno($_)} = $_;
		} else {
			$handlename{fileno(/'/ ? $_ : "$caller\'$_")} = $_;
		}
	}
	for (sort keys %handlename) {
		vec($rmask, $_, 1) = 1;
	}
	select($rmask, undef, undef, $timeout);
	for (sort keys %handlename) {
		$ready{$handlename{$_}}++ if vec($rmask,$_,1);
	}
	sort keys %ready;
}

# ($pty,$tty) = $chat'_getpty(PTY,TTY):
# internal procedure to get the next available pty.
# opens pty on handle PTY, and matching tty on handle TTY.
# returns undef if can't find a pty.
# Modify "/dev/pty" to "/dev/pts" for Dell Unix v2.2 (aka SVR4.04). Joe Doupnik.

sub _getpty { ## private
	local($_PTY,$_TTY) = @_;
	$_PTY =~ s/^([^']+)$/(caller)[$[]."'".$1/e;
	$_TTY =~ s/^([^']+)$/(caller)[$[]."'".$1/e;
	local($pty, $tty, $kind);
	if( -e "/dev/pts000" ){		## mods by Joe Doupnik Dec 1992
		$kind = "pts";		## SVR4 Streams
	} else {
		$kind = "pty";		## BSD Clist stuff
	}
	for $bank (112..127) {
		next unless -e sprintf("/dev/$kind%c0", $bank);
		for $unit (48..57) {
			$pty = sprintf("/dev/$kind%c%c", $bank, $unit);
			open($_PTY,"+>$pty") || next;
			select((select($_PTY), $| = 1)[0]);
			($tty = $pty) =~ s/pty/tty/;
			open($_TTY,"+>$tty") || next;
			select((select($_TTY), $| = 1)[0]);
			system "stty nl>$tty";
			return ($pty,$tty);
		}
	}
	undef;
}

1;

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