CHECK("sgiSaverExtension")type = pref_bool, b=p->use_sgi_saver_extension;
CHECK("mitSaverExtension")type = pref_bool, b=p->use_mit_saver_extension;
CHECK("xidleExtension") type = pref_bool, b = p->use_xidle_extension;
CHECK("sgiSaverExtension")type = pref_bool, b=p->use_sgi_saver_extension;
CHECK("mitSaverExtension")type = pref_bool, b=p->use_mit_saver_extension;
CHECK("xidleExtension") type = pref_bool, b = p->use_xidle_extension;