Structs

[docs.microsoft.com] ERROR_* values that aren’t HRESULTs (but might be implicitly convertable)
[docs.microsoft.com] FACILITY_* values corresponding to Microsoft (non-customer) HRSEULTs.
[docs.microsoft.com] FACILITY_* values corresponding to Microsoft (non-customer) NTSTATUSes.
[docs.microsoft.com] WAIT_* values returned by various WaitFor* and other win32 functions.