eChar items [nmax][lenout]
</PRE>
<h4><a name="Parameters">Parameters</a></h4>
<PRE>
 
   None. 
 </PRE>
<h4><a name="Exceptions">Exceptions</a></h4>
<PRE>
 
   1)  If nmax is less than one, then n will be set to zero, and no
       items will be returned.  This case is not an error.  The other
       exceptional cases can occur only if nmax &gt; 0.
       
   2)  The error SPICE(NULLPOINTER) is signaled if either of the input
       string pointers or the output void pointer is null.

   3)  If the output 