#include <Quickdraw.h>
typedef struct GrafVars { Size Description RGBColor rgbOpColor; n addPin, subPin and blend color ( initialized black)
RGBColor rgbHiliteColor; n Initialized as default HiliteRGB Handle pmFgColor; n Foreground color table handle short pmFGIndex; 4 Initialized at 0
Handle pmBkColor; n Initialized at 0 short pmBkIndex; 4 Initialized at 0
short pmFlags; 4 Initialized at 0
} GrafVar;
typedef GrafVars *GVarPtr;
typedef GrafVars **GVarHandle;