-int init_client_ip(int *sock,unsigned char ip[4], int port);
-int nbio_init_client_ip(int *sock,unsigned char ip[4], int port);
-int nbio_sock_error(int sock);
-int spawn(int argc, char **argv, int *in, int *out);
-int init_server(int *sock, int port);
-int init_server_long(int *sock, int port,char *ip);