+#define UTF8_WHITESTAR "\xe2\x98\x86"
+#define UTF8_BLACKSTAR "\xe2\x98\x85"
+#define ZERO_STARS UTF8_WHITESTAR UTF8_WHITESTAR UTF8_WHITESTAR UTF8_WHITESTAR UTF8_WHITESTAR
+#define ONE_STARS UTF8_BLACKSTAR UTF8_WHITESTAR UTF8_WHITESTAR UTF8_WHITESTAR UTF8_WHITESTAR
+#define TWO_STARS UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_WHITESTAR UTF8_WHITESTAR UTF8_WHITESTAR
+#define THREE_STARS UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_WHITESTAR UTF8_WHITESTAR
+#define FOUR_STARS UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_WHITESTAR
+#define FIVE_STARS UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR UTF8_BLACKSTAR
+extern const char *star_strings[];
+
+#define AIR_PERMILLE 209