int dfb_choose_color(u32 *cell_p,unsigned char *r,unsigned char *g,unsigned char
*b);
int display_draw(display *display,int x,int y,int z);
+int display_event_init(display *display);
+int display_scan_event(display *display,u32 *x,u32 *y,u32 *z,int *quit);