+int network_udp_listen_init(t_net *net,int port);
+int network_set_udp_ports(t_net *net,int port);
+int network_udp_receive(t_net *net,int channel, unsigned char *data,int count);
+int network_udp_send(t_net *net,int channel, unsigned char *data,int size);
+int network_udp_shutdown(t_net *net);