Unions in bsd/hfs/hfscommon/headers

• BTreeKe bsd/hfs/hfscommon/headers/BTreesInternal.h:310
• CatalogKey bsd/hfs/hfscommon/headers/FileMgrInternal.h:415
• CatalogName bsd/hfs/hfscommon/headers/FileMgrInternal.h:657
• CatalogRecord bsd/hfs/hfscommon/headers/FileMgrInternal.h:422
• ExtentDescriptor bsd/hfs/hfscommon/headers/FileMgrInternal.h:401
• ExtentKey bsd/hfs/hfscommon/headers/FileMgrInternal.h:394
• ExtentRecord bsd/hfs/hfscommon/headers/FileMgrInternal.h:408
• HFSPlusAttrRecord bsd/hfs/hfscommon/headers/HFSVolumes.h:473