XMLSetEndDoctypeDeclHandler(XMLParser* parser, XMLEndDoctypeDeclHandler end);
XMLSetDoctypeDeclHandler(XMLParser* parser, XMLStartDoctypeDeclHandler start, XMLEndDoctypeDeclHandler end);
XMLSetEndDoctypeDeclHandler(XMLParser* parser, XMLEndDoctypeDeclHandler end);
XMLSetDoctypeDeclHandler(XMLParser* parser, XMLStartDoctypeDeclHandler start, XMLEndDoctypeDeclHandler end);