Function gobject_sys::g_signal_handlers_unblock_matched

pub unsafe extern "C" fn g_signal_handlers_unblock_matched(
    instance: *mut GObject,
    mask: GSignalMatchType,
    signal_id: c_uint,
    detail: GQuark,
    closure: *mut GClosure,
    func: gpointer,
    data: gpointer,
) -> c_uint