vga_raster_init_screen
static void vga_raster_init_screen(struct vga_config *, struct vgascreen *,
vga_raster_init_screen(&vga_console_vc, &vga_console_screen, scr, 1,
vga_raster_init_screen(vc, scr, type, vc->nscreens == 0, defattrp);