HashTable_CreateEntry
HashEntry *he = HashTable_CreateEntry(t, key, NULL);
HashEntry *HashTable_CreateEntry(HashTable *, const char *, bool *);
(void)HashTable_CreateEntry(&set->tbl, key, &isNew);
HashEntry *he = HashTable_CreateEntry(&guards,
return HashTable_CreateEntry(&interned_strings, str, NULL)->key;
HashEntry *he = HashTable_CreateEntry(&allTargetsByName, name, &isNew);
HashTable_CreateEntry(&scope->vars, name, NULL);
HashEntry *he = HashTable_CreateEntry(&scope->vars, name, NULL);