tools/coccinelle/bool_function.cocci

   1 @@
   2 identifier fn;
   3 typedef bool;
   4 symbol false;
   5 symbol true;
   6 @@
   7
   8 bool fn ( ... )
   9 {
  10 <...
  11 return
  12 (
  13 - 0
  14 + false
  15 |
  16 - 1
  17 + true
  18 )
  19   ;
  20 ...>
  21 }