ref: dc96f164a2b72ccb209ae98ce50a11087cbe44f8
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