text: // Copyright Niall Douglas 2005.
  // Distributed under the Boost Software License, Version 1.0.
  // (See accompanying file LICENSE_1_0.txt or copy at
  // http://www.boost.org/LICENSE_1_0.txt)
  
  # include <boost/python/return_opaque_pointer.hpp>
  # include <boost/python/def.hpp>
  # include <boost/python/module.hpp>
  # include <boost/python/return_value_policy.hpp>
  
  static void *test=(void *) 78;
  
  void *get()
  {
      return test;
  }
  
  void *getnull()
  {
      return 0;
  }
  
  void use(void *a)
  {
      if(a!=test)
          throw std::runtime_error(std::string("failed"));
  }
  
  int useany(void *a)
  {
      return a ? 1 : 0;
  }
  
  
  namespace bpl = boost::python;
  
  BOOST_PYTHON_MODULE(voidptr_ext)
  {
      bpl::def("get", &::get, bpl::return_value_policy<bpl::return_opaque_pointer>());
      bpl::def("getnull", &::getnull, bpl::return_value_policy<bpl::return_opaque_pointer>());
      bpl::def("use", &::use);
      bpl::def("useany", &::useany);
  }
  