i := x.b.abs.bytes(buf)
	j := x.a.abs.bytes(buf[:i])
	n := i - j
	if int(uint32(n)) != n {
		// this should never happen
		return nil, errors.New("Rat.GobEncode: numerator too large")
	}
	byteorder.BePutUint32(buf[j-4:j], uint32(n))
	j -= 1 + 4
	b := ratGobVersion << 1 // make space for sign bit
	if x.a.neg {
		b |= 1
	}
	buf[j] = b
	return buf[j:], nil
}

	Length int64  // file length
	Name   string // last element of path
	Uid    string // owner name
	Gid    string // group name
	Muid   string // last modifier name
}

var nullDir = Dir{
	Type: ^uint16(0),
	Dev:  ^uint32(0),
	Qid: Qid{
		Path: ^uint64(0),
		Vers: ^uint32(0),
		Type: ^uint8(0),
	},
	Mode:   ^uint32(0),
	Atime:  ^uint32(0),
	Mtime:  ^uint32(0),
	Length: ^int64(0),
}

// A Uint32 is an atomic uint32. The zero value is zero.
type Uint32 struct {
	_ noCopy
	v uint32
}

// Load atomically loads and returns the value stored in x.
func (x *Uint32) Load() uint32 { return LoadUint32(&x.v) }

// Store atomically stores val into x.
func (x *Uint32) Store(val uint32) { StoreUint32(&x.v, val) }

	case 4:
		return uint64(byteorder.BeUint32(b))
	case 8:
		return uint64(byteorder.BeUint64(b))
	default:
		panic("syscall: readInt with unsupported size")
	}
}

func readIntLE(b []byte, size uintptr) uint64 {
	switch size {
	case 1:
		return uint64(b[0])
	case 2:
		return uint64(byteorder.LeUint16(b))
	case 4:
		return uint64(byteorder.LeUint32(b))
	case 8:
		return uint64(byteorder.LeUint64(b))

pkg sync/atomic, func AndUint32(*uint32, uint32) uint32 #61395
pkg sync/atomic, func AndUint64(*uint64, uint64) uint64 #61395
pkg sync/atomic, func AndUintptr(*uintptr, uintptr) uintptr #61395
pkg sync/atomic, func OrInt32(*int32, int32) int32 #61395
pkg sync/atomic, func OrInt64(*int64, int64) int64 #61395
pkg sync/atomic, func OrUint32(*uint32, uint32) uint32 #61395

func (t *Type) IsBoolean() bool {
	return t.kind == TBOOL
}

var unsignedEType = [...]Kind{
	TINT8:    TUINT8,
	TUINT8:   TUINT8,
	TINT16:   TUINT16,
	TUINT16:  TUINT16,
	TINT32:   TUINT32,
	TUINT32:  TUINT32,
	TINT64:   TUINT64,
	TUINT64:  TUINT64,
	TINT:     TUINT,
	TUINT:    TUINT,
	TUINTPTR: TUINTPTR,
}

// ToUnsigned returns the unsigned equivalent of integer type t.

					convType = types.Types[types.TUINT32]
					step = 4
				case remains >= 2:
					convType = types.Types[types.TUINT16]
					step = 2
				}
				ncsubstr := typecheck.Conv(ir.NewIndexExpr(base.Pos, ncs, ir.NewInt(base.Pos, int64(i))), convType)
				csubstr := int64(s[i])
				// Calculate large constant from bytes as sequence of shifts and ors.
				// Like this:  uint32(s[0]) | uint32(s[1])<<8 | uint32(s[2])<<16 ...

pkg math/bits, func ReverseBytes32(uint32) uint32
pkg math/bits, func ReverseBytes64(uint64) uint64
pkg math/bits, func RotateLeft(uint, int) uint
pkg math/bits, func RotateLeft16(uint16, int) uint16
pkg math/bits, func RotateLeft32(uint32, int) uint32
pkg math/bits, func RotateLeft64(uint64, int) uint64
pkg math/bits, func RotateLeft8(uint8, int) uint8
pkg math/bits, func TrailingZeros(uint) int

	d.nx = int(d.len % BlockSize)
	return nil
}

func consumeUint64(b []byte) ([]byte, uint64) {
	return b[8:], byteorder.BeUint64(b[0:8])
}

func consumeUint32(b []byte) ([]byte, uint32) {
	return b[4:], byteorder.BeUint32(b[0:4])
}

// New returns a new hash.Hash computing the MD5 checksum. The Hash also
// implements [encoding.BinaryMarshaler] and [encoding.BinaryUnmarshaler] to

	t.Int16 = types.Types[types.TINT16]
	t.Int32 = types.Types[types.TINT32]
	t.Int64 = types.Types[types.TINT64]
	t.UInt8 = types.Types[types.TUINT8]
	t.UInt16 = types.Types[types.TUINT16]
	t.UInt32 = types.Types[types.TUINT32]
	t.UInt64 = types.Types[types.TUINT64]
	t.Int = types.Types[types.TINT]
	t.Float32 = types.Types[types.TFLOAT32]
	t.Float64 = types.Types[types.TFLOAT64]
	t.UInt = types.Types[types.TUINT]