318     DVDCBCallback    callback;  member
349     DVDCallback     callback;  member
427                            DVDCallback callback, s32 prio );
431 #define DVDReadAsync(fileInfo, addr, length, offset, callback)  \  argument
432                          DVDReadAsyncPrio((fileInfo), (addr), (length), (offset), (callback), 2)
439                            DVDCallback callback );
453                            DVDCallback callback );
460                            DVDCallback callback, s32 prio );
464 #define DVDSeekAsync(fileInfo, offset, callback)                \  argument
465                          DVDSeekAsyncPrio((fileInfo), (offset), (callback), 2)
470                            DVDCBCallback callback );
571 BOOL DVDCancelAsync(DVDCommandBlock* block, DVDCBCallback callback);
573 BOOL DVDCancelAllAsync(DVDCBCallback callback);
582 BOOL DVDCheckDiskAsync(DVDCommandBlock* block, DVDCBCallback callback);