sub max { my $m;
          for (@_) {
            next unless defined;
            $m = $_, next unless defined $m;
            $m = $_, next if $m < $_;
          }
          $m }

##</code><code>##

__SIG__
use B;
printf "You are here %08x\n", unpack "L!", unpack "P4", pack
  "L!", B::svref_2object(sub{})->OUTSIDE;