C_TOPBOTTOM
str[0] = C_TOPBOTTOM;
str[1] = C_TOPBOTTOM;
(void)waddch(radar, C_TOPBOTTOM);
str[0] = C_TOPBOTTOM;
str[1] = C_TOPBOTTOM;
(void)waddch(radar, C_TOPBOTTOM);