http://qs1969.pair.com?node_id=684047


in reply to Re^4: 2*pi*$r -- constant function without prototype
in thread 2*pi*$r -- constant function without prototype

(: Reminds me of creating alias (in a bourne-like shell) to refer to the real command, not another alias (alias ls="\ls -F" ; alias ll="\ls -la").