RE: [xml] catalogs, include and import

["Vakoc, Mark" <Mark_Vakoc jdedwards com>]

>  is that expanded automagically by the underlying file I/O functions ?
> Will that break on cygwin, mingw, etc ?

No, it won't expand automatically.  You would need to call a win32 API:

char buffer[MAX_PATH];
ExpandEnvironmentStrings("%windir%\System32\drivers\etc",buffer,MAX_PATH);