Function gobject_sys::g_signal_newv

pub unsafe extern fn g_signal_newv(signal_name: *const c_char,
                                   itype: GType,
                                   signal_flags: GSignalFlags,
                                   class_closure: *mut GClosure,
                                   accumulator: GSignalAccumulator,
                                   accu_data: gpointer,
                                   c_marshaller: GSignalCMarshaller,
                                   return_type: GType,
                                   n_params: c_uint,
                                   param_types: *mut GType)
                                   -> c_uint