DIST_POINT_set_dpname
return DIST_POINT_set_dpname(dp->distpoint, iname) ? 1 : -1;
ret = DIST_POINT_set_dpname(idp->distpoint, X509_CRL_get_issuer(crl));
int DIST_POINT_set_dpname(DIST_POINT_NAME *dpn, const X509_NAME *iname);