if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func CreateService(mgr Handle, serviceName *uint16, displayName *uint16, access uint32, srvType uint32, startType uint32, errCtl uint32, pathName *uint16, loadOrderGroup *uint16, tagId *uint32, dependencies *uint16, serviceStartName *uint16, password *uint16) (handle Handle, err error) {

 => (Leq16U
			(RotateLeft16 <typ.UInt16>
				(Add16 <typ.UInt16>
					(Mul16 <typ.UInt16>
						(Const16 <typ.UInt16> [int16(sdivisible16(c).m)])
						x)
					(Const16 <typ.UInt16> [int16(sdivisible16(c).a)])
				)
				(Const16 <typ.UInt16> [int16(16-sdivisible16(c).k)])
			)
			(Const16 <typ.UInt16> [int16(sdivisible16(c).max)])
		)

(Eq32 x (Mul32 (Const32 [c])

	{V(uint16(75)), V(int64(75))},
	{V(int64(76)), V(uint16(76))},
	{V(uint16(77)), V(uint64(77))},
	{V(uint64(78)), V(uint16(78))},
	{V(uint16(79)), V(int(79))},
	{V(int(80)), V(uint16(80))},
	{V(uint16(81)), V(uint(81))},
	{V(uint(82)), V(uint16(82))},
	{V(uint16(83)), V(uintptr(83))},
	{V(uintptr(84)), V(uint16(84))},
	{V(uint16(85)), V(float32(85))},
	{V(float32(86)), V(uint16(86))},

	case Int:
		*(*int)(v.ptr) = 0
	case Int8:
		*(*int8)(v.ptr) = 0
	case Int16:
		*(*int16)(v.ptr) = 0
	case Int32:
		*(*int32)(v.ptr) = 0
	case Int64:
		*(*int64)(v.ptr) = 0
	case Uint:
		*(*uint)(v.ptr) = 0
	case Uint8:
		*(*uint8)(v.ptr) = 0
	case Uint16:
		*(*uint16)(v.ptr) = 0
	case Uint32:
		*(*uint32)(v.ptr) = 0
	case Uint64:
		*(*uint64)(v.ptr) = 0

	// Read resync meta header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case resyncMetaFormat:
	default:
		return brs, fmt.Errorf("resyncMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case resyncMetaVersion:
	default:
		return brs, fmt.Errorf("resyncMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}
	// OK, parse data.

			c.ctxt.Diag("literal operation on R0\n%v", p)
		}
		if int64(int16(d)) == d {
			// MOVD $int16, Ry  or  MOVD $offset(Rx), Ry
			o1 = AOP_IRR(uint32(OP_ADDI), uint32(p.To.Reg), uint32(r), uint32(v))
		} else {
			// MOVD $uint16, Ry
			if int64(uint16(d)) != d || (r != 0 && r != REGZERO) {
				c.ctxt.Diag("Rule expects a uint16 constant load. got:\n%v", p)
			}

(ORNshiftRO (RORconst x [c]) x [c]) => (MOVDconst [-1])

// rev16w | rev16
// ((x>>8) | (x<<8)) => (REV16W x), the type of x is uint16, "|" can also be "^" or "+".
((ADDshiftLL|ORshiftLL|XORshiftLL) <typ.UInt16> [8] (UBFX <typ.UInt16> [armBFAuxInt(8, 8)] x) x) => (REV16W x)

// ((x & 0xff00ff00)>>8) | ((x & 0x00ff00ff)<<8), "|" can also be "^" or "+".

			if (rt == objabi.R_PCREL || rt == objabi.R_CALL) && o != int64(int16(o)) {
				st.err.Errorf(s, "pc-relative relocation address for %s is too big: %#x", ldr.SymName(rs), o)
			} else if o != int64(int16(o)) && o != int64(uint16(o)) {
				st.err.Errorf(s, "non-pc-relative relocation address for %s is too big: %#x", ldr.SymName(rs), uint64(o))
			}
			target.Arch.ByteOrder.PutUint16(P[off:], uint16(o))
		case 4:

	switch binary.LittleEndian.Uint16(data[0:2]) {
	case siteResyncMetaFormat:
	default:
		return rs, fmt.Errorf("resyncMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case siteResyncMetaVersion:
	default:
		return rs, fmt.Errorf("resyncMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}
	// OK, parse data.

	if !n.Valid {
		return nil, nil
	}
	return int64(n.Int32), nil
}

// NullInt16 represents an int16 that may be null.
// NullInt16 implements the [Scanner] interface so
// it can be used as a scan destination, similar to [NullString].
type NullInt16 struct {
	Int16 int16
	Valid bool // Valid is true if Int16 is not NULL
}

// Scan implements the [Scanner] interface.
func (n *NullInt16) Scan(value any) error {