firstdiff        1518 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml.c   hwloc_topology_diff_t firstdiff = NULL, lastdiff = NULL;
firstdiff        1533 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml.c       ret = hwloc__xml_import_diff_one(&childstate, &firstdiff, &lastdiff);
firstdiff        1543 opal/mca/hwloc/hwloc201/hwloc/hwloc/topology-xml.c   *firstdiffp = firstdiff;