sam_get_db_entry
krb5_error_code sam_get_db_entry(krb5_context , krb5_principal,
ret = sam_get_db_entry(context, client->princ, &sam_type, &grail_entry);
retval = sam_get_db_entry(context, client->princ,
retval = sam_get_db_entry(context, client->princ, &sam_type,