Undocumented function syssetup.dll.SetupQueryRegisteredOsComponent

[Dan Kegel]

Any suggestions as to how to discover the prototype
of the apparently undocumented function
syssetup.dll.SetupQueryRegisteredOsComponent ?
It seems to be needed to install mdac-2.8.
( http://bugs.winehq.org/show_bug.cgi?id=5824 )
- Dan