version=

static VALUE
ossl_x509crl_set_version(VALUE self, VALUE version)
{
    X509_CRL *crl;
    long ver;

    if ((ver = NUM2LONG(version)) < 0) {
        ossl_raise(eX509CRLError, "version must be >= 0!");
    }
    GetX509CRL(self, crl);
    if (!X509_CRL_set_version(crl, ver)) {
        ossl_raise(eX509CRLError, NULL);
    }

    return version;
}