class="id_link">#</a></dt><dd><p>
</p><pre class="synopsis">
int rtypwidth(int sqltype, int sqllen);
</pre><p>
        This function exists but is not implemented at the moment!
       </p></dd><dt id="RSETNULL"><span class="term"><code class="function">rsetnull</code></span> <a href="#RSETNULL" class="id_link">#</a></dt><dd><p>
        Set a variable to NULL.
</p><pre class="synopsis">
int rsetnull(int t, char *ptr);
</pre><p>
        The function receives an integer that indicates the type of the
        