X509_get_ext_by_NID
l = X509_get_ext_by_NID(cert, NID_subject_alt_name, -1);
if ((i = X509_get_ext_by_NID(reqctx->received_cert,
i = X509_get_ext_by_NID(x, NID_ext_key_usage, -1);
if (X509_get_ext_by_NID(x, NID_subject_key_identifier, -1) >= 0) {
ext = X509_get_ext_by_NID(x, NID_subject_alt_name, -1);
int ret = X509_get_ext_by_NID(cert, nid, -1);
*is_duplicated = ret >= 0 && X509_get_ext_by_NID(cert, nid, ret) >= 0;
&& X509_get_ext_by_NID(signer, NID_id_pkix_OCSP_noCheck, -1) >= 0)
i = X509_get_ext_by_NID(issuer_cert, NID_subject_key_identifier, -1);
|| X509_get_ext_by_NID(x, NID_subject_alt_name, -1) >= 0
|| X509_get_ext_by_NID(x, NID_issuer_alt_name, -1) >= 0) {
i_ext = X509_get_ext_by_NID(x, NID_ext_key_usage, -1);
i_ext = X509_get_ext_by_NID(x, NID_key_usage, -1);
i = X509_get_ext_by_NID(ctx->issuer_cert, NID_subject_alt_name, -1);
int X509_get_ext_by_NID(const X509 *x, int nid, int lastpos);
sct_extension_index = X509_get_ext_by_NID(cert, NID_ct_precert_scts, -1);