var zero Int64

	quoSign := +1
	remSign := +1
	if a.Cmp(zero) < 0 {
		quoSign = -1
		remSign = -1
		a = a.Neg()
	}
	if b.Cmp(zero) < 0 {
		quoSign = -quoSign
		b = b.Neg()
	}

	q, r := a.Uint64().DivMod(b.Uint64())
	quo = q.Int64()
	rem = r.Int64()

	if quoSign < 0 {
		quo = quo.Neg()
	}
	if remSign < 0 {
		rem = rem.Neg()
	}
	return
}

	return x
}

func (x *ofb) refill() {
	bs := x.b.BlockSize()
	remain := len(x.out) - x.outUsed
	if remain > x.outUsed {
		return
	}
	copy(x.out, x.out[x.outUsed:])
	x.out = x.out[:cap(x.out)]
	for remain < len(x.out)-bs {
		x.b.Encrypt(x.cipher, x.cipher)
		copy(x.out[remain:], x.cipher)
		remain += bs
	}
	x.out = x.out[:remain]
	x.outUsed = 0
}

func (x *ofb) XORKeyStream(dst, src []byte) {

	if err := dstFD.pd.prepareWrite(dstFD.isFile); err != nil {
		return 0, err, false
	}

	dst := dstFD.Sysfd
	for remain > 0 {
		n := maxSendfileSize
		if int64(n) > remain {
			n = int(remain)
		}
		n, err = syscall.Sendfile(dst, src, nil, n)
		if n > 0 {
			written += int64(n)
			remain -= int64(n)
			continue
		} else if err != syscall.EAGAIN && err != syscall.EINTR {
			// This includes syscall.ENOSYS (no kernel

			realRemain, err := fakeRuntime.ListPodSandbox(ctx, nil)
			assert.NoError(t, err)
			assert.Len(t, realRemain, len(test.remain))
			for _, remain := range test.remain {
				resp, err := fakeRuntime.PodSandboxStatus(ctx, fakeSandboxes[remain].Id, false)
				assert.NoError(t, err)
				assert.Equal(t, &fakeSandboxes[remain].PodSandboxStatus, resp.Status)
			}
		})
	}
}

func (i CSPropBits) String() string {
	var b bytes.Buffer

	remain := uint64(i)
	seen := false

	for k, v := range _CSPropBits_value {
		x := _CSPropBits_name[_CSPropBits_index[k]:_CSPropBits_index[k+1]]
		if v == 0 {
			if i == 0 {
				b.WriteString(x)
				return b.String()
			}
			continue
		}
		if (v & remain) == v {
			remain &^= v
			x := _CSPropBits_name[_CSPropBits_index[k]:_CSPropBits_index[k+1]]

   * <ul>
   *   <li>The alphanumeric characters "a" through "z", "A" through "Z" and "0" through "9" remain
   *       the same.
   *   <li>The unreserved characters ".", "-", "~", and "_" remain the same.
   *   <li>The general delimiters "@" and ":" remain the same.
   *   <li>The subdelimiters "!", "$", "&amp;", "'", "(", ")", "*", "+", ",", ";", and "=" remain
   *       the same.
   *   <li>The space character " " is converted into %20.

	}

	written, handled, err = pollSplice(&f.pfd, pfd, remain)

	if lr != nil {
		lr.N = remain - written
	}

	return written, handled, wrapSyscallError("splice", err)
}

func (f *File) copyFileRange(r io.Reader) (written int64, handled bool, err error) {
	var (
		remain int64
		lr     *io.LimitedReader
	)
	if lr, r, remain = tryLimitedReader(r); remain <= 0 {
		return 0, true, nil
	}

	var src *File

*/
package p

func f() {
	var x interface{}
	switch x.(type) { // should remain the same
	}
	switch x.(type) { // should become: switch x.(type) {
	}

	switch x.(type) { // should remain the same
	case int:
	}
	switch x.(type) { // should become: switch x.(type) {
	case int:
	}

	switch x.(type) { // should remain the same
	case []int:
	}

//
// if handled == false, sendFile performed no work.
func sendFile(c *netFD, r io.Reader) (written int64, err error, handled bool) {
	var remain int64 = 1<<63 - 1 // by default, copy until EOF

	lr, ok := r.(*io.LimitedReader)
	if ok {
		remain, r = lr.N, lr.R
		if remain <= 0 {
			return 0, nil, true
		}
	}
	f, ok := r.(*os.File)
	if !ok {
		return 0, nil, false
	}

	sc, err := f.SyscallConn()

	// loop back to the beginning ad nauseam until it's sent
	// exactly the number of bytes told to. As such, we need to
	// know exactly how many bytes to send.
	var remain int64 = 0

	lr, ok := r.(*io.LimitedReader)
	if ok {
		remain, r = lr.N, lr.R
		if remain <= 0 {
			return 0, nil, true
		}
	}
	// r might be an *os.File or an os.fileWithoutWriteTo.