log_d("close_connection: fd=%d", cn->fd); 
log_d("close_connection: %d", cn->fd); 
static void close_connection(struct connection *cn){	if (cn->nread || cn->nwritten || cn->logged == 0) {		++nrequests;		log_request(cn->r);	}	--nconnections;	if (debug)		log_d("close_connection: fd=%d", cn->fd);	close(cn->fd);	if (cn->rfd != -1) {		close(cn->rfd);		cn->rfd = -1;	}	if (cn->action != HC_WAITING)		++available_connections;	cn->state = HC_FREE;}
8520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/8520/cd4d9d56d081869a8a611f276928432e60be3632/core.c/buggy/src/core.c