extern void _xmoveto(Point); struct Cursor; extern void _xsetcursor(struct Cursor*); struct Mouse; extern void _xbouncemouse(struct Mouse*); extern int _xsetlabel(char*); extern Memimage* _xattach(char*, char*); extern char* _xgetsnarf(void); extern void _xputsnarf(char *data); extern void _xtopwindow(void); extern void _xresizewindow(Rectangle);