typedef struct Cursor Cursor;
typedef struct Cursorinfo Cursorinfo;
struct Cursorinfo {
       Cursor;
       Lock;
};

extern Cursorinfo       cursor;
extern Cursor           arrow;
extern Memimage         *gscreen;
extern int              cursorver;
extern Point            cursorpos;

void            mouseresize(void);
Point           mousexy(void);
void            cursoron(void);
void            cursoroff(void);
void            setcursor(Cursor*);
void            flushmemscreen(Rectangle r);
Rectangle       cursorrect(void);
void            cursordraw(Memimage *dst, Rectangle r);

extern QLock    drawlock;
void            drawactive(int);
void            getcolor(ulong, ulong*, ulong*, ulong*);
int             setcolor(ulong, ulong, ulong, ulong);
#define         TK2SEC(x)       0
extern void     blankscreen(int);
void            screeninit(int x, int y, char *chanstr);
void            screenwin(void);
void            absmousetrack(int x, int y, int b, ulong msec);
Memdata*        attachscreen(Rectangle*, ulong*, int*, int*, int*);
void            deletescreenimage(void);
void            resetscreenimage(void);

void            fsinit(char *mntpt, int x, int y, char *chanstr);
#define         ishwimage(i)    0

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