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tcp-clt-no-filehandles
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1996-06-27
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56 lines
#tcp-client-no-filehandles
( $them, $port ) = @ARGV;
$port = 2345 unless $port;
$them = 'localhost' unless $them;
$AF_INET = 2;
$SOCK_STREAM = 1;
$SIG{'INT'} = 'dokill';
sub dokill {
kill 9,$child if $child;
}
$sockaddr = 'S n a4 x8';
#chop($hostname = `hostname`);
($name,$aliases,$proto) = getprotobyname('tcp');
($name,$aliases,$port) = getservbyname($port,'tcp')
unless $port =~ /^\d+$/;;
($name,$aliases,$type,$len,$thisaddr) =
gethostbyname($hostname);
($name,$aliases,$type,$len,$thataddr) = gethostbyname($them);
$this = pack($sockaddr, $AF_INET, 0, $thisaddr);
$that = pack($sockaddr, $AF_INET, $port, $thataddr);
if (socket(S, $AF_INET, $SOCK_STREAM, $proto)) {
print "socket ok\n";
}
else {
die $!;
}
if (bind(S, $this)) {
print "bind ok\n";
}
else {
die $!;
}
if (connect(S,$that)) {
print "connect ok\n";
}
else {
die $!;
}
select(S); $| = 1; select(STDOUT);
while( <STDIN> ) {
send( S, $_, 0 );
}