Comment 11 for bug 180179

(In reply to comment #5)
> If I understand correctly, the type PRFuncPtr is supposed to work with ANY
> function signature.
>
> The functions that use this function-pointer type appear to operate on generic
> functions, which have any signature.
>
> I conclude the proposed patch is wrong, as it would only work with functions
> that have a specific function signature: "empty parameter list".

This seems to be the case. Why not just use void * instead? This is similar to what glib does (FYI, gpointer === void * and they're using an output parameter rather than returning it): http://library.gnome.org/devel/glib/stable/glib-Dynamic-Loading-of-Modules.html#g-module-symbol