From: tk@ic.unicamp.br   
      
   I am not sure whether it will contribute anything new   
    in this discussion, but you might want to check an old   
    paper of mine:   
      
        Parameter Passing Mechanisms and Run Time Data Structures   
        Software - Practice and Experience   
        Vol. 11, Number 7, July 1981   
        pg. 757-765   
      
   tk   
   [Any way to get a copy of it?  Wiley wants $38 for a PDF. -John]   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)