        Note that `item' *is* case-sensitive.  This attribute 
              is inherited from the case-sensitivity of kernel 
              variable names. 
 
   maxn       is the maximum number of values that may be returned. 
              The output array `values' must be declared with size at 
              least `maxn'.  It's an error to supply an output array 
              that is too small to hold all of the values associated 
              with the requested kernel variable. 
 </PRE>
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