Function gobject_sys::g_signal_handlers_block_matched

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