void case_resize (struct ccase *, size_t old_cnt, size_t new_cnt);
void case_swap (struct ccase *, struct ccase *);
-int case_try_create (struct ccase *, size_t value_cnt);
-int case_try_clone (struct ccase *, const struct ccase *);
+bool case_try_create (struct ccase *, size_t value_cnt);
+bool case_try_clone (struct ccase *, const struct ccase *);
CASE_INLINE void case_copy (struct ccase *dst, size_t dst_idx,
const struct ccase *src, size_t src_idx,