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#pragma src "/sys/src/libdraw"
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#pragma lib "libdraw.a"
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typedef struct	Cursor Cursor;
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typedef struct	Event Event;
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typedef struct	Menu Menu;
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enum
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{
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	Emouse		= 1,
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	Ekeyboard	= 2,
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};
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enum
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{
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	MAXSLAVE = 32,
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	EMAXMSG = 128+8192,	/* size of 9p header+data */
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};
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struct	Mouse
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{
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	int	buttons;	/* bit array: LMR=124 */
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	Point	xy;
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	ulong	msec;
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};
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struct	Event
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{
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	int	kbdc;
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	Mouse	mouse;
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	int	n;		/* number of characters in message */
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	void	*v;		/* data unpacked by general event-handling function */
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	uchar	data[EMAXMSG];	/* message from an arbitrary file descriptor */
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};
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struct Menu
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{
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	char	**item;
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	char	*(*gen)(int);
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	int	lasthit;
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};
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/*
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 * Events
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 */
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extern void	 einit(ulong);
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extern ulong	 estart(ulong, int, int);
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extern ulong	 estartfn(ulong, int, int, int (*fn)(int, Event*, uchar*, int));
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extern ulong	 etimer(ulong, int);
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extern ulong	 event(Event*);
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extern ulong	 eread(ulong, Event*);
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extern Mouse	 emouse(void);
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extern int	 ekbd(void);
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extern int	 ecanread(ulong);
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extern int	 ecanmouse(void);
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extern int	 ecankbd(void);
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extern void	 eresized(int);	/* supplied by user */
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extern int	 emenuhit(int, Mouse*, Menu*);
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extern int	eatomouse(Mouse*, char*, int);
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extern Rectangle	getrect(int, Mouse*);
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extern void	 esetcursor(Cursor*);
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extern void	 emoveto(Point);
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extern Rectangle	egetrect(int, Mouse*);
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extern void		edrawgetrect(Rectangle, int);
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extern int		ereadmouse(Mouse*);
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extern int		eatomouse(Mouse*, char*, int);