pub unsafe extern "C" fn gdk_pixbuf_format_is_save_option_supported(
format: *mut GdkPixbufFormat,
option_key: *const c_char,
) -> gboolean
pub unsafe extern "C" fn gdk_pixbuf_format_is_save_option_supported(
format: *mut GdkPixbufFormat,
option_key: *const c_char,
) -> gboolean