pub unsafe extern "C" fn gdk_content_provider_new_union(
providers: *mut *mut GdkContentProvider,
n_providers: size_t,
) -> *mut GdkContentProvider
pub unsafe extern "C" fn gdk_content_provider_new_union(
providers: *mut *mut GdkContentProvider,
n_providers: size_t,
) -> *mut GdkContentProvider