parameters: (self, filename)
docstring: write a got graph corresponding to the DataFlow
  
              :param filename: file to write
              :type filename: string
docstring_summary: write a got graph corresponding to the DataFlow
docstring_tokens: write a got graph corresponding to the DataFlow
function: def dumpdot(self, filename):
          """
              write a got graph corresponding to the DataFlow
  
              :param filename: file to write
              :type filename: string
          """
          yc.dataflow_dumpdot(self.ptr, to_char(filename))
function_tokens: def dumpdot ( self , filename ) : yc . dataflow_dumpdot ( self . ptr , to_char ( filename ) )