void open_databases (void);
void close_databases (void);
-int cdb_store (int cdb, void *key, int keylen, void *data, int datalen);
+int cdb_store (int cdb, const void *key, int keylen, void *data, int datalen);
int cdb_delete (int cdb, void *key, int keylen);
-struct cdbdata *cdb_fetch (int cdb, void *key, int keylen);
+struct cdbdata *cdb_fetch (int cdb, const void *key, int keylen);
void cdb_free (struct cdbdata *cdb);
void cdb_rewind (int cdb);
struct cdbdata *cdb_next_item (int cdb);