+/* Removes N elements starting at IDX from ARRAY, which consists
+ of COUNT elements of SIZE bytes each, by shifting the elements
+ following them, if any, into its position. */
+void remove_range (void *array, size_t count, size_t size,
+ size_t idx, size_t n);
+
+/* Removes element IDX from ARRAY, which consists of COUNT
+ elements of SIZE bytes each, by shifting the elements
+ following it, if any, into its position. */
+void remove_element (void *array, size_t count, size_t size,
+ size_t idx);
+