Unnamed

#!/usr/bin/perl

use Socket ();
use Socket6 ();
use strict;

my $address = '2001:470:1f0e:b4a::2';
socket( TEST, Socket::PF_INET, Socket::SOCK_STREAM, getprotobyname('tcp') );
if( !bind( TEST, Socket6::pack_sockaddr_in6( 0, Socket6::inet_pton( Socket::AF_INET6, $address ) ) ) ) {
  print "No bind\n";
}
my ( $local_port, $local_ip ) = Socket::sockaddr_in( getsockname( TEST ) );
if( $local_ip != Socket6::inet_pton( Socket::AF_INET6, $address ) ) {
  print "No match\n";
} else {
  print "Local ip is ".length( $local_ip )." long\n";
  print "Expected ip is ".length( Socket6::inet_pton( Socket::AF_INET6, $address ) )."\n";
}
close( TEST );