type Timespec struct {
	Sec  int64
	Nsec int64
}

type Timeval struct {
	Sec  int64
	Usec int64
}

type Timex struct {
	Modes     uint32
	Offset    int64
	Freq      int64
	Maxerror  int64
	Esterror  int64
	Status    int32
	Constant  int64
	Precision int64
	Tolerance int64
	Time      Timeval
	Tick      int64
	Ppsfreq   int64
	Jitter    int64
	Shift     int32
	Stabil    int64
	Jitcnt    int64

type Timespec struct {
	Sec  int32
	Nsec int32
}

type Timeval struct {
	Sec  int32
	Usec int32
}

type Timex struct {
	Modes     uint32
	Offset    int32
	Freq      int32
	Maxerror  int32
	Esterror  int32
	Status    int32
	Constant  int32
	Precision int32
	Tolerance int32
	Time      Timeval
	Tick      int32
	Ppsfreq   int32
	Jitter    int32
	Shift     int32
	Stabil    int32
	Jitcnt    int32

type Timespec struct {
	Sec  int64
	Nsec int64
}

type Timeval struct {
	Sec  int64
	Usec int64
}

type Timex struct {
	Modes     uint32
	Offset    int64
	Freq      int64
	Maxerror  int64
	Esterror  int64
	Status    int32
	Constant  int64
	Precision int64
	Tolerance int64
	Time      Timeval
	Tick      int64
	Ppsfreq   int64
	Jitter    int64
	Shift     int32
	Stabil    int64
	Jitcnt    int64

type Timespec struct {
	Sec  int32
	Nsec int32
}

type Timeval struct {
	Sec  int32
	Usec int32
}

type Timex struct {
	Modes     uint32
	Offset    int32
	Freq      int32
	Maxerror  int32
	Esterror  int32
	Status    int32
	Constant  int32
	Precision int32
	Tolerance int32
	Time      Timeval
	Tick      int32
	Ppsfreq   int32
	Jitter    int32
	Shift     int32
	Stabil    int32
	Jitcnt    int32

type Timespec struct {
	Sec  int32
	Nsec int32
}

type Timeval struct {
	Sec  int32
	Usec int32
}

type Timex struct {
	Modes     uint32
	Offset    int32
	Freq      int32
	Maxerror  int32
	Esterror  int32
	Status    int32
	Constant  int32
	Precision int32
	Tolerance int32
	Time      Timeval
	Tick      int32
	Ppsfreq   int32
	Jitter    int32
	Shift     int32
	Stabil    int32
	Jitcnt    int32

		for _, chain := range s.verifiedChains {
			b.AddUint24LengthPrefixed(func(b *cryptobyte.Builder) {
				// We elide the first certificate because it's always the leaf.
				if len(chain) == 0 {
					b.SetError(errors.New("tls: internal error: empty verified chain"))
					return
				}
				for _, cert := range chain[1:] {
					b.AddUint24LengthPrefixed(func(b *cryptobyte.Builder) {
						b.AddBytes(cert.Raw)
					})

	default:
		fmt.Fprintf(os.Stderr, "unknown subprocess level %s\n", lvl)
		os.Exit(1)
	}

	t.Parallel()

	pty, procTTYName, err := testpty.Open()
	if err != nil {
		ptyErr := err.(*testpty.PtyError)
		if ptyErr.FuncName == "posix_openpt" && ptyErr.Errno == syscall.EACCES {
			t.Skip("posix_openpt failed with EACCES, assuming chroot and skipping")
		}
		t.Fatal(err)
	}
	defer pty.Close()

const (
	copyDirective    = "COPY"
	replaceDirective = "REPLACE"
	accessDirective  = "ACCESS"
)

// Parses location constraint from the incoming reader.
func parseLocationConstraint(r *http.Request) (location string, s3Error APIErrorCode) {
	// If the request has no body with content-length set to 0,
	// we do not have to validate location constraint. Bucket will
	// be created at default region.

	SO_CNX_ADVICE                    = 0x35
	SO_COOKIE                        = 0x39
	SO_DETACH_REUSEPORT_BPF          = 0x44
	SO_DOMAIN                        = 0x1029
	SO_DONTROUTE                     = 0x10
	SO_ERROR                         = 0x1007
	SO_INCOMING_CPU                  = 0x31
	SO_INCOMING_NAPI_ID              = 0x38
	SO_KEEPALIVE                     = 0x8
	SO_LINGER                        = 0x80

	SO_CNX_ADVICE                    = 0x35
	SO_COOKIE                        = 0x39
	SO_DETACH_REUSEPORT_BPF          = 0x44
	SO_DOMAIN                        = 0x27
	SO_DONTROUTE                     = 0x5
	SO_ERROR                         = 0x4
	SO_INCOMING_CPU                  = 0x31
	SO_INCOMING_NAPI_ID              = 0x38
	SO_KEEPALIVE                     = 0x9
	SO_LINGER                        = 0xd