>If anybody is interested by it...
>
>http://www.msdn.microsoft.com/library/default.asp?url=/library/en-us/winprog/winprog/windows_api_reference.asp

That's the OnLine reference for the Platform SDK API definitions; it's been available for years, and corresponds to the information in the MSDN Library, which is updated at least 4 times a year on CD and DVD (the DVD has extra content.) I posted a FAQ on ordering the MSDN Library a while ago.