func Ftruncate(fd int, length int64) (err error) {
	_, _, e1 := syscall_syscall(libc_ftruncate_trampoline_addr, uintptr(fd), uintptr(length), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_ftruncate_trampoline_addr uintptr

//go:cgo_import_dynamic libc_ftruncate ftruncate "/usr/lib/libSystem.B.dylib"

func Ftruncate(fd int, length int64) (err error) {
	_, _, e1 := syscall_syscall(libc_ftruncate_trampoline_addr, uintptr(fd), uintptr(length), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

var libc_ftruncate_trampoline_addr uintptr

//go:cgo_import_dynamic libc_ftruncate ftruncate "/usr/lib/libSystem.B.dylib"

	var n uint32 = MAX_COMPUTERNAME_LENGTH + 1
	b := make([]uint16, n)
	e := GetComputerName(&b[0], &n)
	if e != nil {
		return "", e
	}
	return UTF16ToString(b[:n]), nil
}

func Ftruncate(fd Handle, length int64) (err error) {
	curoffset, e := Seek(fd, 0, 1)
	if e != nil {
		return e
	}
	defer Seek(fd, curoffset, 0)
	_, e = Seek(fd, length, 0)
	if e != nil {
		return e
	}

	if e != nil {
		return "", e
	}
	return string(utf16.Decode(b[0:n])), nil
}

func DurationSinceBoot() time.Duration {
	return time.Duration(getTickCount64()) * time.Millisecond
}

func Ftruncate(fd Handle, length int64) (err error) {
	curoffset, e := Seek(fd, 0, 1)
	if e != nil {
		return e
	}
	defer Seek(fd, curoffset, 0)
	_, e = Seek(fd, length, 0)
	if e != nil {
		return e
	}

}

func error_Futimesat(dirfd int, path string, tv []Timeval) (err error) {
	err = ENOSYS
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Ftruncate(fd int, length int64) (err error) {
	runtime.EnterSyscall()
	r0, e2, e1 := CallLeFuncWithErr(GetZosLibVec()+SYS_FTRUNCATE<<4, uintptr(fd), uintptr(length))
	runtime.ExitSyscall()
	if int64(r0) == -1 {

//sys	Fsync(fd int) (err error)
//sys	Futimes(fd int, tv []Timeval) (err error) = SYS_FUTIMES
//sys	Futimesat(dirfd int, path string, tv []Timeval) (err error) = SYS___FUTIMESAT_A
//sys	Ftruncate(fd int, length int64) (err error)
//sys	Getrandom(buf []byte, flags int) (n int, err error) = SYS_GETRANDOM
//sys	InotifyInit() (fd int, err error) = SYS_INOTIFY_INIT

    %9 = "tf.Cast"(%8) {Truncate = false} : (tensor<2x2xf32>) -> tensor<2x2xi8>
    %10 = "tf.Cast"(%9) {Truncate = false} : (tensor<2x2xi8>) -> tensor<2x2xi32>
    %11 = "tf.Sub"(%10, %cst_4) : (tensor<2x2xi32>, tensor<i32>) -> tensor<2x2xi32>
    %12 = "tf.Identity"(%4) : (tensor<2x2xi8>) -> tensor<2x2xi8>
    %13 = "tf.Cast"(%12) {Truncate = false} : (tensor<2x2xi8>) -> tensor<2x2xi32>

ag><Key>tag2</Key><Value>value2</Value></Tag></And></Filter><Status>Enabled</Status><Expiration><Date>` + time.Now().Truncate(24*time.Hour).UTC().Add(-24*time.Hour).Format(time.RFC3339) + `</Date></Expiration></Rule><Rule><Filter><And><Prefix>abc/</Prefix><Tag><Key>tag2</Key><Value>value</Value></Tag></And></Filter><Status>Enabled</Status><Expiration><Date>` + time.Now().Truncate(24*time.Hour).UTC().Add(-24*time.Hour).Format(time.RFC3339) + `</Date></Expiration></Rule></LifecycleConfiguration>`,...

						t.Errorf("Test %d: %s: Expected NextMarker to contain a string since listing is truncated, but instead found it to be empty", i+1, instanceType)
					}

					if !testCase.resultL.IsTruncated && resultL.NextMarker != "" {
						if !resultL.IsTruncated || len(resultL.Objects) == 0 {
							t.Errorf("Test %d: %s: Expected NextMarker to be empty since listing is not truncated, but instead found `%v`", i+1, instanceType, resultL.NextMarker)
						}
					}

	defer Remove(f.Name())
	defer f.Close()

	checkSize(t, f, 0)
	f.Write([]byte("hello, world\n"))
	checkSize(t, f, 13)
	f.Truncate(10)
	checkSize(t, f, 10)
	f.Truncate(1024)
	checkSize(t, f, 1024)
	f.Truncate(0)
	checkSize(t, f, 0)
	_, err := f.Write([]byte("surprise!"))
	if err == nil {
		checkSize(t, f, 13+9) // wrote at offset past where hello, world was.
	}
}