JNIEXPORT jlong JNICALL
Java_sun_management_VMManagementImpl_getUnloadedClassCount
  (JNIEnv *env, jobject dummy)
{

  {- -------------------------------------------
  (1) JMM_CLASS_UNLOADED_COUNT を引数として, jmm_GetLongAttribute() を呼び出すだけ.
      ---------------------------------------- -}

        /* JMM_CLASS_UNLOADED_COUNT is the total number of classes unloaded */
        jlong count = jmm_interface->GetLongAttribute(env, NULL,
                                                      JMM_CLASS_UNLOADED_COUNT);
        return count;
    }