you do not need UFFI for that, you already have the Alien-MacOS* packages (not loaded by default, but you can find it at www.squeaksource.com/Alien, I need to prepare a configuration and add a catalog entry for it).

then you can do nice things like this:

On 26 Oct 2016, at 05:03, Dimitris Chloupis <kilon.alios@gmail.com> wrote:

Is there any information how to use UFI for calling dynamically shared ObjC libraries ?