-extern int bind_port(const char *hostnam, int portnum, jb_socket *pfd);
-extern int accept_connection(struct client_state * csp, jb_socket fd);
-extern void get_host_information(jb_socket afd, char **ip_address, char **hostname);
+extern int bind_port(const char *hostnam, int portnum, int backlog, jb_socket *pfd);
+extern int accept_connection(struct client_state * csp, jb_socket fds[]);
+extern void get_host_information(jb_socket afd, char **ip_address, char **port, char **hostname);