tests/pp/14.c

   1 #define W Z
   2 #define Z(X) W(X,2)
   3 #define Y(X) Z(X)
   4 #define X Y
   5 return X(X(1));
   6
   7 #define P Q
   8 #define Q(n) P(n,2)
   9 return P(1);
  10
  11 #define A (B * B)
  12 #define B (A + A)
  13 return A + B;