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  1  definition  found 
  From  Jargon  File  (4.2.3,  23  NOV  2000)  [jargon]: 
  functino  n.  [uncommon,  U.K.;  originally  a  serendipitous  typo 
  in  1994]  A  pointer  to  a  function  in  C  and  C++.  By  association  with 
  sub-atomic  particles  such  as  the  neutrino,  it  accurately  conveys  an 
  impression  of  smallness  (one  pointer  is  four  bytes  on  most  systems)  and 
  speed  (hackers  can  and  do  use  arrays  of  functinos  to  replace  a  switch()