cst := newClientServerTest(t, mode, HandlerFunc(func(w ResponseWriter, r *Request) {
		r.ParseMultipartForm(maxMemory)
		f, _, err := r.FormFile(key)
		if err != nil {
			t.Errorf("r.FormFile(%q) = %v", key, err)
			return
		}
		of, ok := f.(*os.File)
		if !ok {
			t.Errorf("r.FormFile(%q) returned type %T, want *os.File", key, f)
			return
		}
		w.Write([]byte(of.Name()))
	}))

	r1, _, e1 := syscall.Syscall(procMoveFileExW.Addr(), 3, uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(to)), uintptr(flags))
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}

func MoveFile(from *uint16, to *uint16) (err error) {
	r1, _, e1 := syscall.Syscall(procMoveFileW.Addr(), 2, uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(to)), 0)
	if r1 == 0 {
		err = errnoErr(e1)
	}
	return
}