OSErr InvokeLg2PhysUPP (
    void *fsdGlobalPtr, 
    VCBPtr volCtrlBlockPtr, 
    FCBRecPtr fileCtrlBlockPtr, 
    SInt16 fileRefNum, 
    UInt32 filePosition, 
    UInt32 reqCount, 
    UInt32 *volOffset, 
    UInt32 *contiguousBytes, 
    Lg2PhysUPP userUPP
);

fsdGlobalPtr

volCtrlBlockPtr

fileCtrlBlockPtr

fileRefNum

filePosition

reqCount

volOffset

contiguousBytes

userUPP

function result

A result code.

AVAILABILITY

Not supported in Carbon.

© 2000 Apple Computer, Inc. — (Last Updated 5/8/2000)