-int tdb1_delete(struct tdb_context *tdb, TDB_DATA key);
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-int tdb1_store(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, int flag);
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-int tdb1_append(struct tdb_context *tdb, TDB_DATA key, TDB_DATA new_dbuf);
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-int tdb1_close(struct tdb_context *tdb);
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