Re: How to bind a function with argument?

[LanX]

> Read the documentation of org-insert-link.  Follow the link to the
> source.  See that it has a (interactive "P") declaration.  Read the
> documentation of interactive.  See that "P" means prefix arg in raw
> form.
>
> If you don't know it, search in emacs lisp documentation, and you'll
> find that the prefix arg in raw form, for a single C-u, is passed as
> (4), not 4, and for C-u C-u, it's (16).

or just do M-x repeat-complex-command to see the lisp code of your
last command. :)