nn_export_to_buf
ATTRIBUTE_WARN_UNUSED_RET int nn_export_to_buf(u8 *buf, u16 buflen, nn_src_t in_nn);
ret = nn_export_to_buf(buf, buflen, x);
ret = nn_export_to_buf(buf, buflen, &(in_fp->fp_val));
ret = nn_export_to_buf(&FE2OS_D[0], q_len, x); EG(ret, err);
ret = nn_export_to_buf(&sig[l], (u16)BIGN_S1_LEN(q_bit_len), &s1); EG(ret, err);
ret = nn_export_to_buf(&sig[0], q_len, &k); EG(ret, err);
ret = nn_export_to_buf(&sig[0], q_len, &d); EG(ret, err);
ret = nn_export_to_buf(&sig[p_len], q_len, &e); EG(ret, err);
ret = nn_export_to_buf(priv_key_buf, priv_key_buf_len, &(priv_key->x));
ret = nn_export_to_buf(sig, q_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + q_len, q_len, &s);
ret = nn_export_to_buf(priv_key_buff, q_len, x); EG(ret, err);
ret = nn_export_to_buf(T, q_len, k); EG(ret, err);
ret = nn_export_to_buf(sig + r_len, s_len, &s);
ret = nn_export_to_buf(sig, r_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + r_len, s_len, &s);
ret = nn_export_to_buf(sig + r_len, s_len, &s);
ret = nn_export_to_buf(sig, r_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + r_len, s_len, &s);
ret = nn_export_to_buf(sig + r_len, s_len, &s);
ret = nn_export_to_buf(buf, buf_size, nn_in); EG(ret, err);
ret = nn_export_to_buf(digest, *digest_size, &(in_priv->x));
ret = nn_export_to_buf(sig, q_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + q_len, q_len, &s);
ret = nn_export_to_buf(sig, r_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + r_len, s_len, &s);
ret = nn_export_to_buf(sig, r_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + r_len, s_len, &s); EG(ret, err);
ret = nn_export_to_buf(sig, q_len, &r); EG(ret, err);
ret = nn_export_to_buf(sig + q_len, q_len, &s);
ret = nn_export_to_buf(nonce, (u16)BYTECEIL(q_bit_len), &n_nonce); EG(ret, err);