f: function
    with parameters
      c: signed int 
    returning 
      signed int 
    with body 
      CompoundStmt
                  Return Statement, returning: Applying untyped: 
    Name: !?
...to: 
    Conditional expression on: 
      Cast of:
        Applying untyped: 
            Name: ?!=?
        ...to: 
            Name: c
            Name: 0

      to:
        signed int 
    First alternative:
constant expression 2.0 double     Second alternative:
constant expression 1.0 double