/* Sorts ARRAY, which contains COUNT elements of SIZE bytes each,
using COMPARE for comparisons. AUX is passed to each
comparison as auxiliary data. */
-void sort (void *array, size_t count, size_t size,
+void sort (const void *array, size_t count, size_t size,
algo_compare_func *compare, void *aux);
/* Tests whether ARRAY, which contains COUNT elements of SIZE