#include <Quickdraw.h>

typedef struct QDProcs { Size Offset Description

QDPtr textProc; 4 0 Addr of text-drawing proc StdText

QDPtr lineProc; 4 4 Addr of line-drawing proc StdLine

QDPtr rectProc; 4 8 Addr of rectangle-drawing proc StdRect

QDPtr rRectProc; 4 12 Addr of roundRect-draw proc StdRRect

QDPtr ovalProc; 4 16 Addr of oval/circle-draw proc StdOval

QDPtr arcProc; 4 20 Addr of arc-drawing proc StdArc

QDPtr polyProc; 4 24 Addr of polygon-drawing proc StdPoly

QDPtr rgnProc; 4 28 Addr of region-drawing proc StdRgn

QDPtr bitsProc; 4 32 Addr of bit transfer proc StdBits

QDPtr commentProc; 4 36 Addr pict comment handler StdComment

QDPtr txMeasProc; 4 40 Addr of text width measurer StdTxMeas

QDPtr getPicProc; 4 44 Addr of picture retrieval proc StdGetPic

QDPtr putPicProc; 4 48 Addr of picture saving proc StdPutPic

typedef QDProcs *QDProcsPtr;

typedef char *QDPtr; same as Ptr; address of a Byte