SGDisplayBottleProcPtr

SGDisplayBottleProcPtr
Header:	QuickTimeComponents.h		Carbon status:	Supported

typedef ComponentResult(* SGDisplayBottleProcPtr) (
    SGChannel c, 
    SInt16 bufferNum, 
    MatrixRecord *mp, 
     clipRgn, 
    SInt32 refCon
);

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

ComponentResult MySGDisplayBottleCallback (
    SGChannel c, 
    SInt16 bufferNum, 
    MatrixRecord *mp, 
     clipRgn, 
    SInt32 refCon
);