ref: 30a9d5907018a578873bff2f7f1eaccfcc4d5a1f
dir: /sys/src/9/bitsy/screen.h/
typedef struct Cursorinfo Cursorinfo; typedef struct Cursor Cursor; extern ulong blanktime; struct Cursorinfo { Lock; }; extern void blankscreen(int); extern void flushmemscreen(Rectangle); extern uchar* attachscreen(Rectangle*, ulong*, int*, int*, int*); #define ishwimage(i) 0