rem: struct sockaddr_storage ss; socklen_t ss_len = sizeof ss;
context: char *client_name(int fd){	struct sockaddr_storage ss;	socklen_t ss_len = sizeof ss;	static char name_buf[100];	static char port_buf[100];	static int initialised;	if (initialised) return name_buf;	strcpy(name_buf, default_name);	initialised = 1;	client_sockaddr(fd, &ss, &ss_len);	if (!lookup_name(fd, &ss, ss_len, name_buf, sizeof name_buf,			 port_buf, sizeof port_buf))		check_name(fd, &ss, name_buf);	return name_buf;}