cvs_log(LP_ERR, "failed to allocate RCS number");
rcs_errno = RCS_ERR_ERRNO;
rcsnum_alloc(void){	RCSNUM *rnp;	rnp = (RCSNUM *)malloc(sizeof(*rnp));	if (rnp == NULL) {		cvs_log(LP_ERR, "failed to allocate RCS number");		return (NULL);	}	rnp->rn_len = 0;	rnp->rn_id = NULL;	return (rnp);}