How do I determine which functions are unimplemented?

zhengxianwei <[email protected]> Tue, 6 May 2025 20:10:53 +0800
Newsgroups gmane.comp.emulators.wine.devel
Message-ID <CABeGAqWMH_7=cgyS_p1b0FAiUr-FZS0-OfnSi4WEzXDyP-_G8A@mail.gmail.com>
When a function is commented out and the application calls it, the
application crash silently . I dont know which function caused this. Is
there any way to quickly determine which functions are unimplemented ?

eg:
https://github.com/wine-mirror/wine/blob/226a7eeabbc13345e49da1ff8c018d6f06211c66/dlls/user32/user32.spec#L805