Returns a new ipaddr built by
converting the IPv6 address into a native
IPv4 address. If the IP address is not an IPv4-mapped or IPv4-compatible
IPv6 address, returns self.
# File lib/ipaddr.rb, line 293
def native
if !ipv4_mapped? && !ipv4_compat?
return self
end
return self.clone.set(@addr & IN4MASK, Socket::AF_INET)
end
