Function titanium::desktop::gui::libdruid::piet::cairo::glib::gobject_ffi::g_cclosure_new_swap
pub unsafe extern "C" fn g_cclosure_new_swap(
callback_func: Option<unsafe extern "C" fn()>,
user_data: *mut c_void,
destroy_data: Option<unsafe extern "C" fn(_: *mut c_void, _: *mut GClosure)>
) -> *mut GClosure