RE: [emacs-lisp newbie] print-something() -> clipboard?

[Drew Adams]

> if I type [C-p b]
>   (insert bn)
> else if I type [C-u C-p b]
>   (kill-new bn)
> 
> Can that be done with one {function, keychord} definition?
> Or must I have 2, like above? If the latter, how to define
> [C-u C-p b]?

Bind `C-p b' to `foo':

(defun foo (&optional arg)
 "..."
 (interactive "P")
 (let ((bn ...))
   (if arg
       (insert bn)
     (kill-new bn))))

See the Elisp manual, node `Prefix Command Arguments'.