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typedef struct Fsevent Fsevent;
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typedef struct Event Event;
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typedef struct Message Message;
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typedef struct Window Window;
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enum
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{
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	STACK		= 8192,
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	NPIPEDATA	= 8000,
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	NPIPE		= NPIPEDATA+32,
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	/* EVENTSIZE is really 256 in acme, but we use events internally and want bigger buffers */
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	EVENTSIZE	= 8192,
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	NEVENT		= 5,
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};
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struct Fsevent
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{
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	int	type;
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	void	*r;
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};
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struct Event
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{
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	int	c1;
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	int	c2;
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	int	q0;
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	int	q1;
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	int	flag;
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	int	nb;
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	int	nr;
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	char	b[EVENTSIZE*UTFmax+1];
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	Rune	r[EVENTSIZE+1];
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};
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struct Window
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{
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	/* file descriptors */
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	int		ctl;
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	int		event;
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	int		addr;
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	int		data;
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	int		body;
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	/* event input */
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	char		buf[512];
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	char		*bufp;
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	int		nbuf;
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	Event	e[NEVENT];
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	int		id;
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	int		open;
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	Channel	*cevent;
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};
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extern	Window*	newwindow(void);
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extern	int		winopenfile(Window*, char*);
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extern	void		wintagwrite(Window*, char*, int);
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extern	void		winname(Window*, char*);
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extern	void		winwriteevent(Window*, Event*);
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extern	int		winread(Window*, uint, uint, char*);
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extern	int		windel(Window*, int);
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extern	void		wingetevent(Window*, Event*);
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extern	void		wineventproc(void*);
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extern	void		winclean(Window*);
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extern	int		winselect(Window*, char*, int);
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extern	int		winsetaddr(Window*, char*, int);
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extern	void		windormant(Window*);
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extern	void		winsetdump(Window*, char*, char*);
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extern	void		ctlprint(int, char*, ...);
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extern	void*	emalloc(uint);
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extern	char*	estrdup(char*);
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extern	char*	estrstrdup(char*, char*);
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extern	char*	egrow(char*, char*, char*);
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extern	char*	eappend(char*, char*, char*);
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extern	void		error(char*, ...);
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extern	void		startpipe(void);
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extern	void		sendit(char*);
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extern	void		execevent(Window *w, Event *e, int (*)(Window*, char*));
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extern	void		mountcons(void);
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extern	void		fsloop(void*);
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extern	int		newpipewin(int, char*);
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extern	void		startpipe(void);
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extern	int		pipecommand(Window*, char*);
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extern	void		pipectl(void*);
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#pragma	varargck	argpos	error	1
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#pragma	varargck	argpos	ctlprint	2
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extern	Window	*win;
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extern	Channel	*fschan, *writechan;
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