Function gobject_sys::g_cclosure_marshal_VOID__PARAM

pub unsafe extern fn g_cclosure_marshal_VOID__PARAM(closure: *mut GClosure,
                                                    return_value: *mut GValue,
                                                    n_param_values: c_uint,
                                                    param_values: *const GValue,
                                                    invocation_hint: gpointer,
                                                    marshal_data: gpointer)