int network_receive(int fd,unsigned char *data,int datasize);
int network_receive_chan(t_net *net,int chan,unsigned char *data,int datasize);
int network_udp_listen_init(t_net *net);
int network_receive(int fd,unsigned char *data,int datasize);
int network_receive_chan(t_net *net,int chan,unsigned char *data,int datasize);
int network_udp_listen_init(t_net *net);