(Program
  (Module
    (Identifier))
  (Function
    (Identifier)
    (Args))
  (Function
  { (Identifier)
  ->(Identifier) }
    (Args
      (Other "variadic_parameter_declaration"
        (Identifier)
        (PointerTy
          (Identifier)))))
  (Function
  { (Identifier)
  ->(Identifier) }
    (Args
      (Other "variadic_parameter_declaration"
        (Identifier))))
  (Function
  { (Identifier)
  ->(Identifier) }
    (Args
      (Identifier)
      (Other "variadic_parameter_declaration"
        (Identifier)))))