#pragma src "/sys/src/libscribble"#pragma lib "libscribble.a" typedef struct Scribble Scribble;typedef struct graffiti Graffiti; typedef struct pen_point {	Point;	long	chaincode;} pen_point; typedef struct Stroke {	uint			npts;	/*Number of pen_point in array.*/	pen_point*	pts;	/*Array of points.*/} Stroke; #define CS_LETTERS     0#define CS_DIGITS      1#define CS_PUNCTUATION 2 struct Scribble {	/* private state */	Point		*pt;	int			ppasize;	Stroke	    	ps;	Graffiti	*graf;	int			capsLock;	int			puncShift;	int			tmpShift;	int			ctrlShift;	int			curCharSet;}; Rune		recognize(Scribble *);Scribble *	scribblealloc(void); extern int ScribbleDebug;