typedef OSErr(* DriverEntryPointPtr) (
    AddressSpaceID SpaceID, 
    IOCommandID CommandID, 
    IOCommandContents Contents, 
    IOCommandCode Code, 
    IOCommandKind Kind
);

You would declare your function like this if you were to name it MyCallback:

OSErr MyCallback (
    AddressSpaceID SpaceID, 
    IOCommandID CommandID, 
    IOCommandContents Contents, 
    IOCommandCode Code, 
    IOCommandKind Kind
);

function result

A result code.

© 2000 Apple Computer, Inc. (Last Updated 6/30/2000)