xmlNodePtr local_options = NULL; xmlNodePtr request = NULL; char *xml_text = NULL;  local_options = create_xml_node(NULL, XML_TAG_OPTIONS);  set_xml_property_copy(local_options, XML_ATTR_OP, CRM_OP_HBEAT);  request = create_request( local_options, NULL, NULL, CRM_SYSTEM_CRMD, CRM_SYSTEM_DC, NULL, NULL);  xml_text = dump_xml_unformatted(request);  free_xml(request); free_xml(local_options);  return xml_text;
return NULL;
create_dc_heartbeat(void){	xmlNodePtr local_options = NULL;	xmlNodePtr request = NULL;	char *xml_text = NULL;		local_options = create_xml_node(NULL, XML_TAG_OPTIONS);	set_xml_property_copy(local_options, XML_ATTR_OP, CRM_OP_HBEAT);		request = create_request(		local_options, NULL, NULL, CRM_SYSTEM_CRMD,		CRM_SYSTEM_DC, NULL, NULL);	xml_text = dump_xml_unformatted(request);		free_xml(request);	free_xml(local_options);	return xml_text;}