int i2d_X509_AUX(X509 *a,unsigned char **pp);
X509 * d2i_X509_AUX(X509 **a,const unsigned char **pp,long length);
+int i2d_re_X509_tbs(X509 *x, unsigned char **pp);
+
void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
const X509 *x);
int X509_get_signature_nid(const X509 *x);