X509_REQ_print_ex
X509_REQ_print_ex(bio_err, req, nameopt, X509_FLAG_COMPAT);
ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
X509_REQ_print_ex(out, rq, get_nameopt(), X509_FLAG_COMPAT);
return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflag,