ref: cd747191012d0420ac631340d962da1f80cef0a5
dir: /sys/src/cmd/vt/event.h/
#define BSIZE 4000 #define MOUSE 0 #define KBD 1 #define HOST 2 #define HOST_BLOCKED 1 #define KBD_BLOCKED 2 typedef struct IOEvent { short key; short size; uchar data[BSIZE]; } IOEvent;