IN perl 5, a new feature called "prototype" is introduced.
The Following links has the tutorial regarding this
topic.
http://www.perl.com/pub/language/misc/fmproto.html
http://www.perl.com/pub/language/misc/bunce.html
So I think we can put a link to this, in Perlmonks.
Thanx and Regards,
-- Baliga