Function gio_sys::g_settings_bind_with_mapping

pub unsafe extern "C" fn g_settings_bind_with_mapping(
    settings: *mut GSettings, 
    key: *const c_char, 
    object: *mut GObject, 
    property: *const c_char, 
    flags: GSettingsBindFlags, 
    get_mapping: GSettingsBindGetMapping, 
    set_mapping: GSettingsBindSetMapping, 
    user_data: gpointer, 
    destroy: GDestroyNotify
)