fs.mode |= ModeSetuid
	}
	if fs.sys.Mode&syscall.S_ISVTX != 0 {
		fs.mode |= ModeSticky
	}
}

// For testing.
func atime(fi FileInfo) time.Time {
	return time.Unix(fi.Sys().(*syscall.Stat_t).Atim.Unix())

			pair := res[i:j]
			if pair == "-" {
				out[n] = -1
				out[n+1] = -1
			} else {
				loStr, hiStr, _ := strings.Cut(pair, "-")
				lo, err1 := strconv.Atoi(loStr)
				hi, err2 := strconv.Atoi(hiStr)
				if err1 != nil || err2 != nil || lo > hi {
					t.Fatalf("%s:%d: invalid pair %s", file, lineno, pair)
				}
				out[n] = lo
				out[n+1] = hi
			}
			n += 2
			i = j + 1

// it is a String, will attempt a conversion to int,
// returning 0 if a parsing error occurs.
func (intstr *IntOrString) IntValue() int {
	if intstr.Type == String {
		i, _ := strconv.Atoi(intstr.StrVal)
		return i
	}
	return int(intstr.IntVal)
}

// MarshalJSON implements the json.Marshaller interface.
func (intstr IntOrString) MarshalJSON() ([]byte, error) {
	switch intstr.Type {

	}
	if err != nil {
		return nil, fmt.Errorf("user: lookup username %s: %v", username, err)
	}
	return buildUser(&pwd), err
}

func lookupUserId(uid string) (*User, error) {
	i, e := strconv.Atoi(uid)
	if e != nil {
		return nil, e
	}
	return lookupUnixUid(i)
}

func lookupUnixUid(uid int) (*User, error) {
	var pwd _C_struct_passwd
	var found bool

				flag := m[3]
				fn = knownFunc[fnName][arch]
				if fn != nil {
					size, _ := strconv.Atoi(m[5])
					if size != fn.size && (flag != "7" && !strings.Contains(flag, "NOSPLIT") || size != 0) {
						badf("wrong argument size %d; expected $...-%d", size, fn.size)
					}
				}
				localSize, _ = strconv.Atoi(m[4])
				localSize += archDef.intSize
				if archDef.lr && !strings.Contains(flag, "NOFRAME") {

	}
	h, err1 := strconv.Atoi(f[1])
	isData := false
	if f[2] == "data" {
		isData = true
		f[2] = "0"
	}
	l, err2 := strconv.Atoi(f[2])
	if err1 != nil || err2 != nil || h < 1 || l < 0 || h > 30 {
		return Tile{}, &badPathError{path}
	}
	w := 1 << uint(h)
	if dotP := f[len(f)-2]; strings.HasSuffix(dotP, ".p") {
		ww, err := strconv.Atoi(f[len(f)-1])
		if err != nil || ww <= 0 || ww >= w {

	Max uint64
}

type _Gid_t uint32

type Stat_t struct {
	Dev     uint64
	Ino     uint64
	Mode    uint32
	Nlink   uint32
	Uid     uint32
	Gid     uint32
	Rdev    uint64
	Size    int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	Blksize int32
	Blocks  int64
	Fstype  [16]int8
}

type Flock_t struct {
	Type   int16
	Whence int16
	Start  int64
	Len    int64
	Sysid  int32

	byID := vars["by-id"] == "true"

	pools := strings.Split(v, ",")
	poolIndices := make([]int, 0, len(pools))

	for _, pool := range pools {
		var idx int
		if byID {
			var err error
			idx, err = strconv.Atoi(pool)
			if err != nil {
				// We didn't find any matching pools, invalid input
				writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errInvalidArgument), r.URL)
				return
			}
		} else {

}

// IsNPathElement report whether pe is an index path element.
func IsNPathElement(pe string) bool {
	pe, ok := RemoveBrackets(pe)
	if !ok {
		return false
	}

	n, err := strconv.Atoi(pe)
	return err == nil && n >= InsertIndex
}

// PathKV returns the key and value string parts of the entire key/value path element.
// It returns an error if pe is not a key/value path element.

		return minVersion(z.X, -sign)
	case *TagExpr:
		if sign < 0 {
			// !foo implies nothing
			return -1
		}
		if z.Tag == "go1" {
			return 0
		}
		_, v, _ := strings.Cut(z.Tag, "go1.")
		n, err := strconv.Atoi(v)
		if err != nil {
			// not a go1.N tag
			return -1
		}
		return n
	}
}

// andVersion returns the minimum Go version
// implied by the AND of two minimum Go versions,