extern void ** htab_find_slot_with_hash (htab_t, const void *,
hashval_t, enum insert_option);
extern void htab_clear_slot (htab_t, void **);
extern void ** htab_find_slot_with_hash (htab_t, const void *,
hashval_t, enum insert_option);
extern void htab_clear_slot (htab_t, void **);