Understanding S functions and working of simulink engine?

Please suggest me some good tutorials, link that can help understand the working of simulink engine and developing s functions? I am finding it difficult to understand by going through documentation.

Answer 1

[A Jenkins]

There are s-function examples included in your MATLAB installation.

Just type sfundemos in the command window.

[Kaustubha Govind]

I would also recommend reading Simulink Engine Interaction with C S-Functions if you haven't already done so.