draw_shadow
draw_shadow(stdscr, y, x, height, width);
void draw_shadow(WINDOW * win, int y, int x, int height, int width);
draw_shadow(stdscr, y, x, height, width);
draw_shadow(stdscr, y, x, height, width);
draw_shadow(stdscr, y, x, height, width);
draw_shadow(stdscr, y, x, height, width);