gt;get()</a> methods.  This is done in the C API by setting
    the <span class="bold"><strong>data</strong></span> and <span class="bold"><strong>ulen</strong></span> fields of the <span class="bold"><strong>data</strong></span> <a href="../api_reference/C/dbt.html" class="olink">DBT</a> to reference an application
    buffer, and the
    <span class="bold"><strong>flags</strong></span> field of that structure to
    <a href="../api_reference/C/dbt.html#dbt_DB_DBT_USERMEM" class="olink">DB_DBT_USERMEM</a>.