RESOLVE_IN_ROOT       = 0x10
	RESOLVE_NO_MAGICLINKS = 0x2
	RESOLVE_NO_SYMLINKS   = 0x4
	RESOLVE_NO_XDEV       = 0x1
)

type PollFd struct {
	Fd      int32
	Events  int16
	Revents int16
}

const (
	POLLIN   = 0x1
	POLLPRI  = 0x2
	POLLOUT  = 0x4
	POLLERR  = 0x8
	POLLHUP  = 0x10
	POLLNVAL = 0x20
)

type sigset_argpack struct {
	ss    *Sigset_t

	typ := &b.Func.Config.Types
	// match: (Ctz16 x)
	// result: (POPCNTW (MOVHZreg (ANDN <typ.Int16> (ADDconst <typ.Int16> [-1] x) x)))
	for {
		x := v_0
		v.reset(OpPPC64POPCNTW)
		v0 := b.NewValue0(v.Pos, OpPPC64MOVHZreg, typ.Int64)
		v1 := b.NewValue0(v.Pos, OpPPC64ANDN, typ.Int16)
		v2 := b.NewValue0(v.Pos, OpPPC64ADDconst, typ.Int16)
		v2.AuxInt = int64ToAuxInt(-1)
		v2.AddArg(x)
		v1.AddArg2(v2, x)
		v0.AddArg(v1)

	_ = types.NewPtr(types.NewPtr(types.NewPtr(types.Types[types.TUINT8]))) // ***uint8
	_ = types.NewPtr(types.Types[types.TINT16])                             // *int16
	_ = types.NewPtr(types.Types[types.TINT64])                             // *int64
	_ = types.NewPtr(types.ErrorType)                                       // *error

uint32      the set of all unsigned 32-bit integers (0 to 4294967295)
uint64      the set of all unsigned 64-bit integers (0 to 18446744073709551615)

int8        the set of all signed  8-bit integers (-128 to 127)
int16       the set of all signed 16-bit integers (-32768 to 32767)
int32       the set of all signed 32-bit integers (-2147483648 to 2147483647)
int64       the set of all signed 64-bit integers (-9223372036854775808 to 9223372036854775807)