int network_manage_connection(t_net *net);
int network_connect(t_net *net,int channel);
int network_close(t_net *net,int channel);
+int network_close_all(t_net *net);
int network_set_connection_info(t_net *net,int channel,char *ip,int port);
int network_select(t_net *net,int channel);
int network_deselect(t_net *net,int channel);