=over
=item getpeername SOCKET
X X
Returns the packed sockaddr address of the other end of the SOCKET
connection.
use Socket;
my $hersockaddr = getpeername($sock);
my ($port, $iaddr) = sockaddr_in($hersockaddr);
my $herhostname = gethostbyaddr($iaddr, AF_INET);
my $herstraddr = inet_ntoa($iaddr);
=back