XML_CRM_TAG_PING  165 daemons/based/based_messages.c     *answer = create_xml_node(NULL, XML_CRM_TAG_PING);
XML_CRM_TAG_PING  754 daemons/controld/controld_messages.c     ping = create_xml_node(NULL, XML_CRM_TAG_PING);
XML_CRM_TAG_PING  519 daemons/pacemakerd/pacemakerd.c     ping = create_xml_node(NULL, XML_CRM_TAG_PING);