OCSP_REQUEST_get_ext_by_NID
LCRYPTO_USED(OCSP_REQUEST_get_ext_by_NID);
int OCSP_REQUEST_get_ext_by_NID(OCSP_REQUEST *x, int nid, int lastpos);
req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
req_idx = OCSP_REQUEST_get_ext_by_NID(req, NID_id_pkix_OCSP_Nonce, -1);
LCRYPTO_ALIAS(OCSP_REQUEST_get_ext_by_NID);