The CDomainRelativeObjId structure is used to represent a file's FileLocation or its FileID, which is the FileLocation of a file at the time it was originally created.

 typedef struct CDomainRelativeObjId {
   CVolumeId _volume;
   CObjId _object;
 } CDomainRelativeObjId;

_volume: A volume identifier for the volume that contains the file, as specified in section 2.2.4.

_object: A file identifier for the file, as specified in section 2.2.5.