int network_udp_listen_init(t_net *net);
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_listen_init(t_net *net);
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);