i>On platforms where ECL's dynamic FFI is not supported (ie. when
<code>:dffi</code> is not present in <code>*features*</code>),
<code>cffi:load-foreign-library</code> does not work and you must use ECL's
own <code>ffi:load-foreign-library</code> with a constant string argument. 
<li>Does not support the <code>:long-long</code> type natively. 
<li>Unicode support is not enabled by default. 
</ul>

<h4 class="subheading">Lispworks</h4>

     <ul>
<li>Does not support the <code>:long-long</code> type natively