SSL_CTX_set_tlsext_status_cb
SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
if (SSL_CTX_set_tlsext_status_cb(ctx->ssl_ctx, tls_ocsp_verify_cb) != 1) {
if (SSL_CTX_set_tlsext_status_cb(*ssl_ctx, tls_ocsp_stapling_cb) != 1) {