-/*
+/*
PSPP - a program for statistical analysis.
Copyright (C) 2017 Free Software Foundation, Inc.
bool is_heap (const void *array, size_t count, size_t size,
algo_compare_func *compare, const void *aux);
+/* Reverses the order of ARRAY, which contains COUNT elements of SIZE bytes
+ each. */
+void reverse_array (void *array, size_t count, size_t size);
#endif /* algorithm.h */