HASH_CNT          835 ompi/mca/topo/treematch/treematch/uthash.h #define HASH_CNT(hh,head) ((head)?((head)->hh.tbl->num_items):0)
HASH_CNT          896 opal/mca/hwloc/hwloc201/hwloc/include/netloc/uthash.h #define HASH_CNT(hh,head) ((head != NULL)?((head)->hh.tbl->num_items):0U)