of bytes
        copied is the lesser of:
      </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
            <code class="computeroutput">buffer_size(target)</code>
          </li>
<li class="listitem">
            <code class="computeroutput">buffer_size(source)</code>
          </li>
<li class="listitem">
            <code class="computeroutput">If</code> specified, <code class="computeroutput">max_bytes_to_copy</code>.
          </li>
</ul></d