val to_inet_addr : Ipaddr.t -> Unix.inet_addrto_inet_addr ip is the Unix.inet_addr equivalent of the IPv4 or IPv6 address ip.
val of_inet_addr : Unix.inet_addr -> Ipaddr.tof_inet_addr ip is the Ipaddr.t equivalent of the Unix.inet_addr ip.
module V4 : sig ... endmodule V6 : sig ... end