CallBack function in C Libraries.

[fiensproto at gmail.com]

> Give the function call its required argument and the error will go 
> 
> away... well, at least that one.

Yep, many thanks for the answer.
But... im totally beginner with Python.
I develop in Pascal and C and want to understand the basics of Python.

In concrete, what must i change in the code ?

Many thanks.