#define TEST_CASE_NAME __func__
#endif /* __STDC_VERSION__ */
+/* In main(), call ADD_TEST to register each test case function, then call
+ * run_tests() to execute all tests and report the results. The result
+ * returned from run_tests() should be used as the return value for main().
+ */
+#define ADD_TEST(test_function) add_test(#test_function, test_function)
+void add_test(const char* test_case_name, int (*test_fn)());
+int run_tests(const char* test_prog_name);
+
#endif /* HEADER_TESTUTIL_H */