// FindProcByOrdinal searches DLL d for procedure by ordinal and returns *Proc
// if found. It returns an error if search fails.
func (d *DLL) FindProcByOrdinal(ordinal uintptr) (proc *Proc, err error) {
	a, e := GetProcAddressByOrdinal(d.Handle, ordinal)
	name := "#" + itoa(int(ordinal))
	if e != nil {
		return nil, &DLLError{
			Err:     e,
			ObjName: name,

// It is a pseudo handle that does not need to be closed.
func CurrentThread() Handle { return Handle(^uintptr(2 - 1)) }

// GetProcAddressByOrdinal retrieves the address of the exported
// function from module by ordinal.
func GetProcAddressByOrdinal(module Handle, ordinal uintptr) (proc uintptr, err error) {
	r0, _, e1 := syscall.Syscall(procGetProcAddress.Addr(), 2, uintptr(module), ordinal, 0)
	proc = uintptr(r0)