void sdbm_rewind(struct sdbm *);
int sdbm_get_next(struct sdbm *, byte *key, uns *keylen, byte *val, uns *vallen); /* val can be NULL */
void sdbm_sync(struct sdbm *);
void sdbm_rewind(struct sdbm *);
int sdbm_get_next(struct sdbm *, byte *key, uns *keylen, byte *val, uns *vallen); /* val can be NULL */
void sdbm_sync(struct sdbm *);