xmlDocGetRootElement  197 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml-libxml.c   root_node = xmlDocGetRootElement((xmlDocPtr) bdata->data);
xmlDocGetRootElement  296 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml-libxml.c   root_node = xmlDocGetRootElement(doc);