[Lazy]

Well, ignore my comment earlier I misread @$.1415rin's post.
A small test shows that &(*iterator) gives a pointer to the element.

Thanks to all who posted here.

@PMB:
Then there are more steps to do, its a choice between wasting memory or extra lookup steps.
I looked at this problem and saw an object-oriented solution though those methods you mentioned probably work great aswell.
vbmenu_register("postmenu_8440", true);