t(7)</a>.</p>

</dd>
<dt id="construct_data"><i>construct_data</i></dt>
<dd>

<p>The pointer that was set with OSSL_DECODE_CTX_set_construct_data().</p>

</dd>
</dl>

<p>The constructor is expected to return 1 when the data it receives can be constructed, otherwise 0.</p>

<p>These utility functions may be used by a constructor:</p>

<p>OSSL_DECODER_INSTANCE_get_decoder() can be used to get the decoder implementation from a decoder instance <i>decoder_inst</i>.</p>

<p>OSSL_DECODER_INSTANCE_get_decoder_ctx(