+ SD_BUS_BIG_ENDIAN = 'B',
+#if __BYTE_ORDER == __BIG_ENDIAN
+ SD_BUS_NATIVE_ENDIAN = SD_BUS_BIG_ENDIAN,
+ SD_BUS_REVERSE_ENDIAN = SD_BUS_LITTLE_ENDIAN
+#else
+ SD_BUS_NATIVE_ENDIAN = SD_BUS_LITTLE_ENDIAN,
+ SD_BUS_REVERSE_ENDIAN = SD_BUS_BIG_ENDIAN
+#endif