text: #define  x      3
  #define  f(a)   f(x * (a))
  #undef   x
  #define  x      2
  #define  g      f
  #define  z      z[0]
  #define  h      g(~
  #define  m(a)   a(w)
  #define  w      0,1
  #define  t(a)   a
  #define  p()    int
  #define  q(x)   x
  #define  r(x,y) x ## y
  f(y+1) + f(f(z)) % t(t(g)(0) + t)(1);
  g(x +(3,4)-w) | h 5) & m
         (f)^m(m);
  p() i[q()] = { q(1), r(2,3), r(4,), r(,5), r(,)};
  