func BpfTimeout(fd int) (*Timeval, error) {
	var tv Timeval
	err := ioctlPtr(fd, BIOCGRTIMEOUT, unsafe.Pointer(&tv))
	if err != nil {
		return nil, err
	}
	return &tv, nil
}

// Deprecated: Use golang.org/x/net/bpf instead.
func SetBpfTimeout(fd int, tv *Timeval) error {
	err := ioctlPtr(fd, BIOCSRTIMEOUT, unsafe.Pointer(tv))
	if err != nil {
		return err
	}
	return nil
}

	pos := a.Pos()
	typ := a.Type.GetTypeInfo().Type

	name := fmt.Sprintf("#rv%d", i+1)
	obj.name = name
	s.scope.Insert(obj)
	obj.setScopePos(pos)

	tv := syntax.TypeAndValue{Type: typ}
	tv.SetIsValue()

	n := syntax.NewName(pos, obj.Name())
	n.SetTypeInfo(tv)

	a.Name = n

	return obj, n

	ts.Nsec = int64(t % 1e9)
}

type Timeval struct {
	Sec  int64
	Usec int64
}

func (tv *Timeval) timestamp() timestamp {
	return timestamp(tv.Sec*1e9) + timestamp(tv.Usec*1e3)
}

func (tv *Timeval) setTimestamp(t timestamp) {
	tv.Sec = int64(t / 1e9)
	tv.Usec = int64((t % 1e9) / 1e3)
}

func setTimespec(sec, nsec int64) Timespec {
	return Timespec{Sec: sec, Nsec: nsec}
}

	return &linger, err
}

func GetsockoptTimeval(fd, level, opt int) (*Timeval, error) {
	var tv Timeval
	vallen := _Socklen(unsafe.Sizeof(tv))
	err := getsockopt(fd, level, opt, unsafe.Pointer(&tv), &vallen)
	return &tv, err
}

func GetsockoptUint64(fd, level, opt int) (value uint64, err error) {
	var n uint64
	vallen := _Socklen(8)

			activation := tc.activation
			if activation == nil {
				activation = map[string]any{}
			}
			for _, tv := range tc.typeVersionCombinations {
				t.Run(fmt.Sprintf("version=%s,envType=%s", tv.version.String(), tv.envType), func(t *testing.T) {

					envSet := MustBaseEnvSet(tv.version, true)
					if tc.opts != nil {
						var err error
						envSet, err = envSet.Extend(tc.opts...)
						if err != nil {

}

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

func Time(t *Time_t) (tt Time_t, err error) {
	var tv Timeval
	err = Gettimeofday(&tv)
	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

//sys	Utime(path string, buf *Utimbuf) (err error)

}

//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
//sysnb	Gettimeofday(tv *Timeval) (err error)

func Time(t *Time_t) (tt Time_t, err error) {
	var tv Timeval
	err = Gettimeofday(&tv)
	if err != nil {
		return 0, err
	}
	if t != nil {
		*t = Time_t(tv.Sec)
	}
	return Time_t(tv.Sec), nil
}

//sys	Utime(path string, buf *Utimbuf) (err error)

}

//go:nosplit
func (ts *timespec) setNsec(ns int64) {
	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type timeval struct {
	tv_sec  int64
	tv_usec int64
}

func (tv *timeval) set_usec(x int32) {
	tv.tv_usec = int64(x)
}

type itimerval struct {
	it_interval timeval
	it_value    timeval
}

type keventt struct {
	ident  uint64
	filter int16
	flags  uint16

	// Timeval have different types in the different OSes
	tv := [2]Timeval{
		NsecToTimeval(TimespecToNsec(ts[0])),
		NsecToTimeval(TimespecToNsec(ts[1])),
	}
	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}

//sys	futimes(fd int, timeval *[2]Timeval) (err error)

func Futimes(fd int, tv []Timeval) (err error) {
	if len(tv) != 2 {
		return EINVAL
	}

			}
		}
		if want != nil && !Identical(tv.Type, want) {
			t.Errorf("got %s; want %s", tv.Type, want)
		}
	}
}

func TestIssue6413(t *testing.T) {
	src := `
package p
func f() int {
	defer f()
	go f()
	return 0
}
`
	types := make(map[ast.Expr]TypeAndValue)
	mustTypecheck(src, nil, &Info{Types: types})

	want := Typ[Int]
	n := 0
	for x, tv := range types {
		if _, ok := x.(*ast.CallExpr); ok {