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typedef enum Vis{
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	None=0,
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	Some,
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	All,
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}Vis;
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enum{
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	Clicktime=1000,		/* one second */
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};
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typedef struct Flayer Flayer;
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struct Flayer
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{
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	Frame		f;
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	long		origin;	/* offset of first char in flayer */
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	long		p0, p1;
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	long		click;	/* time at which selection click occurred, in HZ */
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	Rune		*(*textfn)(Flayer*, long, ulong*);
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	int		user0;
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	void		*user1;
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	Rectangle	entire;
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	Rectangle	scroll;
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	Rectangle	lastsr;	/* geometry of scrollbar when last drawn */
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	Vis		visible;
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};
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void	flborder(Flayer*, int);
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void	flclose(Flayer*);
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void	fldelete(Flayer*, long, long);
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void	flfp0p1(Flayer*, ulong*, ulong*);
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void	flinit(Flayer*, Rectangle, Font*, Image**);
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void	flinsert(Flayer*, Rune*, Rune*, long);
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void	flnew(Flayer*, Rune *(*fn)(Flayer*, long, ulong*), int, void*);
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int	flprepare(Flayer*);
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Rectangle flrect(Flayer*, Rectangle);
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void	flrefresh(Flayer*, Rectangle, int);
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void	flresize(Rectangle);
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int	flselect(Flayer*);
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void	flsetselect(Flayer*, long, long);
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void	flstart(Rectangle);
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void	flupfront(Flayer*);
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Flayer	*flwhich(Point);
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#define	FLMARGIN	4
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#define	FLSCROLLWID	12
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#define	FLGAP		4
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extern	Image	*maincols[NCOL];
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extern	Image	*cmdcols[NCOL];