+Boolean
+__SCPreferencesGetLimitSCNetworkConfiguration (SCPreferencesRef prefs);
+
+void
+__SCPreferencesSetLimitSCNetworkConfiguration
+ (SCPreferencesRef prefs,
+ Boolean limit_SCNetworkConfiguration);
+
+Boolean
+__SCPreferencesUsingDefaultPrefs (SCPreferencesRef prefs);
+
+SCPreferencesRef
+__SCPreferencesCreateNIPrefsFromPrefs (SCPreferencesRef prefs);