XML_PING_ATTR_SYSFROM  756 daemons/controld/controld_messages.c     crm_xml_add(ping, XML_PING_ATTR_SYSFROM, value);
XML_PING_ATTR_SYSFROM  833 daemons/controld/controld_messages.c     crm_xml_add(reply, XML_PING_ATTR_SYSFROM, CRM_SYSTEM_CRMD);
XML_PING_ATTR_SYSFROM  521 daemons/pacemakerd/pacemakerd.c     crm_xml_add(ping, XML_PING_ATTR_SYSFROM, value);
XML_PING_ATTR_SYSFROM  117 lib/common/ipc_controld.c                                                  XML_PING_ATTR_SYSFROM);
XML_PING_ATTR_SYSFROM  182 lib/common/ipc_pacemakerd.c                                         XML_PING_ATTR_SYSFROM);