3 fbval_t
fb_color(unsigned char r
, unsigned char g
, unsigned char b
);
4 void fb_set(int r
, int c
, fbval_t
*mem
, int len
);
7 void fb_box(int sr
, int sc
, int er
, int ec
, fbval_t val
);
8 void fb_scroll(int sr
, int nr
, int n
, fbval_t val
);