code: def c_var_decls(self):
          
          if self.opts.no_structs:
              mod_decl = 'HMODULE {} = NULL;\n'.format(self.name)
              return [mod_decl] + [
                  '{} *{} = NULL;\n'.format(
                      self._c_type_name(name), name
                  )
                  for name, dummy_args in self.funcs
              ]
          if self.opts.windll:
              return ''
          return [
              '{} _{} = {{ 0 }};\n'.format(
                  self._c_struct_names()[1], self.name
              )
          ]
docs: Get the needed variable definitions.