With use controller and models through a file external?

[eluser]Spectruman[/eluser]
[quote author="Bart Mebane" date="1291140880"]I'm not sure I understand your question, but in your index.php file you can set the path to your application folder. It can be outside your public html folder.[/quote]

I’m access need in access ci controller and models from by script external PHP. Calling CI sample $ci = &get;_instance (how does a library for example) and i get the object ci.