parameters: (self, t)
docstring: Default handling of a #ifndef line.
docstring_summary: Default handling of a #ifndef line.
docstring_tokens: Default handling of a #ifndef line .
function: def do_ifndef(self, t):
          """
          Default handling of a #ifndef line.
          """
          self._do_if_else_condition(t[1] not in self.cpp_namespace)
function_tokens: def do_ifndef ( self , t ) : self . _do_if_else_condition ( t [ 1 ] not in self . cpp_namespace )