};
/* devmouse.c */
-extern void mousetrack(int, int, int, int);
-extern void absmousetrack(int, int, int, int);
+extern void mousetrack(int, int, int, ulong);
+extern void absmousetrack(int, int, int, ulong);
extern Point mousexy(void);
extern void mouseaccelerate(int);
/* screen.c */
extern void blankscreen(int);
extern void flushmemscreen(Rectangle);
-extern uchar* attachscreen(Rectangle*, ulong*, int*, int*, int*);
+extern Memdata* attachscreen(Rectangle*, ulong*, int*, int*, int*);
extern void cursoron(void);
extern void cursoroff(void);
extern void setcursor(Cursor*);