type in6_addr = Unsigned.uint8 Ctypes.carrayval in6_addr : in6_addr Ctypes.structure S.typval t : t Ctypes.structure S.typval sin6_port : (in_port, t Ctypes.structure) S.fieldval sin6_flowinfo : (Unsigned.uint32, t Ctypes.structure) S.fieldval sin6_addr : (in6_addr Ctypes.structure, t Ctypes.structure) S.fieldval sin6_scope_id : (Unsigned.uint32, t Ctypes.structure) S.field