172   addr = {4: "0.0.0.0", 5: "::", 6: "::"}[version]
174   sock.bind((addr, 0))
191 def CreateSocketPair(family, socktype, addr):  argument
194   listensock.bind((addr, 0))
195   addr = listensock.getsockname()
248 def CanonicalizeIPv6Address(addr):  argument
249   return inet_ntop(AF_INET6, inet_pton(AF_INET6, addr))
314 def MakeFlowLabelOption(addr, label):  argument
328   addr = inet_pton(AF_INET6, addr)
329   assert len(addr) == 16
335   return struct.pack(fmt, addr, label, action, share, flags, 0, 0, pad)
338 def SetFlowLabel(s, addr, label):  argument
339   opt = MakeFlowLabelOption(addr, label)