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 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);