#define MDB_DUPFIXED 0x10
/** with #MDB_DUPSORT, dups are numeric in native byte order */
#define MDB_INTEGERDUP 0x20
+ /** with #MDB_DUPSORT, use reverse string dups */
+#define MDB_REVERSEDUP 0x40
/** create DB if not already existing */
#define MDB_CREATE 0x40000
/** @} */