What's the difference?

I don''t know, what does the documentation say?

I don''t remember exacley what, but it has to do something with OS compatibility. I rembember I had to change some of that when building support for both win9x/me and win2k/xp.

You should never let your fears become the boundaries of your dreams.

Functions ending in Ex are functions that MS realised needed more parameters than there were originally in the API.

Its most often used to add NT security parameters to windows functions.

Always use Ex versions for NT compatibility.

"Most people think, great God will come from the sky, take away everything, and make everybody feel high" - Bob Marley