/* Compare two uniqstr a la strcmp: negative for <, nul for =, and
positive for >. Undefined order, relies on addresses. */
-int uniqstr_cmp(uniqstr u1, uniqstr u2);
+int uniqstr_cmp (uniqstr u1, uniqstr u2);
/* Die if STR is not a uniqstr. */
void uniqstr_assert (char const *str);