a1: a open array of signed int 
a2: a variable length array of signed int 
a4: a array of   Constant Expression: 3signed int 
m1: a open array of array of   Constant Expression: 3signed int 
m2: a variable length array of variable length array of signed int 
m4: a array of   Constant Expression: 3array of   Constant Expression: 3signed int 
T: a typedef for signed int 
fred: a function
    returning 
      signed int 
    with body 
      Declaration of a1: a open array of signed int 
      Declaration of a2: a variable length array of signed int 
      Declaration of a4: a array of         Constant Expression: 3signed int 
      Declaration of T: a array of         Constant Expression: 3signed int 

mary: a function
    with parameters
      T: a array of         Constant Expression: 3signed int 
      p1: a const array of         Constant Expression: 3signed int 
      p2: a static array of         Constant Expression: 3signed int 
      p3: a const static array of         Constant Expression: 3signed int 
    returning 
      signed int 
    with body 

      Null Statement

tom: a function
    returning 
      pointer to array of         Constant Expression: 3signed int 
    with body 

      Null Statement

jane: a function
    returning 
      pointer to function
          with parameters
            T: a array of               Constant Expression: 3signed int 
            p1: a const array of               Constant Expression: 3signed int 
            p2: a static array of               Constant Expression: 3signed int 
            p3: a const static array of               Constant Expression: 3signed int 
          returning 
            signed int 

    with body 

      Null Statement