sig
exception Error of string
type socket
and address
val connect : string -> int -> Udp.socket
val poll : Udp.socket -> float -> bool
val send : Udp.socket -> ?dest:Udp.address -> string -> int -> int -> unit
val recv : Udp.socket -> string -> int -> int -> int * Udp.address
val create_socket : int -> Udp.socket
val close : Udp.socket -> unit
val describe_connection : Udp.address -> string
end