rs := io.NewSectionReader(r, off, size-off)
		if readDirectoryHeader(&File{}, rs) == nil {
			baseOffset = 0
		}
	}

	return d, baseOffset, nil
}

// findDirectory64End tries to read the zip64 locator just before the
// directory end and returns the offset of the zip64 directory end if
// found.
func findDirectory64End(r io.ReaderAt, directoryEndOffset int64) (int64, error) {

	}

	return
}

// ReadLine is a low-level line-reading primitive. Most callers should use
// [Reader.ReadBytes]('\n') or [Reader.ReadString]('\n') instead or use a [Scanner].
//
// ReadLine tries to return a single line, not including the end-of-line bytes.
// If the line was too long for the buffer then isPrefix is set and the
// beginning of the line is returned. The rest of the line will be returned