dbm_delete
if (dbm_delete(dbp->db, key) < 0) {
return (dbm_delete(__cur_db, key));
result = dbm_delete(dbm, dbkey);
result = dbm_delete(dbm, dbm_cursor->smndbmc_current_key);
int dbm_delete(DBM *, datum);
int dbm_delete __P((DBM *, datum));
dbm_delete(map->ttl, key);
ret = dbm_delete(map->entries, key);
dbm_delete(map->entries, *key);
dbm_delete(map->ttl, *key);