/* * 最初のレコード位置に戻す * * === Exception * Senna::Error */ static VALUE records_rewind(VALUE obj) { sen_records *recs; sen_rc rc; Data_Get_Struct(obj, sen_records, recs); if ((rc = sen_records_rewind(recs)) != sen_success) senna_error(rc, "cannot rewind"); return Qnil; }