def test_windll(self):
if os.name != 'nt':
skip('Run only on windows')
from pypy.rlib.libffi import WinDLL
dll = WinDLL('Kernel32.dll')
sleep = dll.getpointer('Sleep', [types.uint], types.void)
chain = ArgChain()
chain.arg(10)
sleep.call(chain, lltype.Void, is_struct=False)
