Posix_socket.AddrinfoAddress information structure returned by getaddrinfo.
val t : t Ctypes.structure Ctypes.typCtypes structure type.
val ai_flags : (int, t Ctypes.structure) Ctypes.fieldInput flags (AI_* constants).
val ai_family : (int, t Ctypes.structure) Ctypes.fieldAddress family (AF_* constants).
val ai_socktype : (socket_type, t Ctypes.structure) Ctypes.fieldSocket type (SOCK_* constants).
val ai_protocol : (int, t Ctypes.structure) Ctypes.fieldProtocol (IPPROTO_* constants).