HashTable_FindEntry
if (HashTable_FindEntry(&odirs->table, cdir->name) != NULL)
HashEntry *he = HashTable_FindEntry(&odirs->table, name);
HashEntry *he = HashTable_FindEntry(t, key);
return HashTable_FindEntry(&set->tbl, key) != NULL;
HashEntry *he = HashTable_FindEntry(&scope->vars, varname);