Dmitry Timoshkov (@dmitry) commented about dlls/user32/user32.spec:
2703 stub @ 2704 stub @ -2705 stub @ +2705 stdcall -noname Ordinal2705(ptr) NtUserIsChildWindowDpiMessageEnabled
Some spec files in Wine suggest that using
2705 stdcall -noname @(ptr) NtUserIsChildWindowDpiMessageEnabled
should work. Alternatively
2705 stdcall -noname IsChildWindowDpiMessageEnabled(ptr) NtUserIsChildWindowDpiMessageEnabled
could be preferrable.