unsigned trivial_hash_func(const void *p);
int trivial_compare_func(const void *a, const void *b);
+unsigned uint64_hash_func(const void *p);
+int uint64_compare_func(const void *a, const void *b);
+
Hashmap *hashmap_new(hash_func_t hash_func, compare_func_t compare_func);
void hashmap_free(Hashmap *h);
void hashmap_free_free(Hashmap *h);