ref: a57a6e511f15c02b4fd2690197b6f1333b171193
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