How can an app detect it's running under WINE?

[Alberto Massari]

Hi everybody,
I am working on making our software (Stylus Studio, 
http://www.stylusstudio.com) run under WINE, if this is feasible. To 
achieve this, I have already implemented a bunch of APIs (the application 
is built against the UNICODE version of the Win32 APIs) and fixed some bugs 
I hit (I already mailed the first patch to wine-patches at winehq.com).

However, I would feel better if I could detect I am running under WINE and 
gracefully disable some functionalities that are not yet fully supported; 
is there any way to achieve this? Is there a WIN32 API (like, say, 
GetVersionEx) that can return a string like "Windows 2000 (WINE)" or is 
WINE trying to be as stealth as possible?

Thanks in advance,

Alberto

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Alberto Massari
eXcelon Corp.
http://www.StylusStudio.com