close(cn->fd); 
rv = close(cn->fd); if (debug) log(L_DEBUG, "close_connection: close(%d) = %d", cn->fd, rv); 
static void close_connection(struct connection *cn){	--nconnections;	close(cn->fd);	if (cn->rfd != -1) {		close(cn->rfd);		cn->rfd = -1;	}	cn->state = HC_FREE;}
8520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/8520/57bb514066f45e95780f1d1c005fcd47b33a2bfa/core.c/clean/src/core.c