struct variable *dict_get_filter (const struct dictionary *);
void dict_set_filter (struct dictionary *, struct variable *);
-int dict_get_case_limit (const struct dictionary *);
-void dict_set_case_limit (struct dictionary *, int);
+size_t dict_get_case_limit (const struct dictionary *);
+void dict_set_case_limit (struct dictionary *, size_t);
int dict_get_next_value_idx (const struct dictionary *);
size_t dict_get_case_size (const struct dictionary *);