bool gdb_is_caller(void);
LIBTEST_API
-bool valgrind_is_caller(void);
+bool _in_valgrind(const char *file, int line, const char *func);
LIBTEST_API
-bool _in_valgrind(const char *file, int line, const char *func);
+bool helgrind_is_caller(void);
template <class T_comparable>
bool _compare_truth(const char *file, int line, const char *func, T_comparable __expected, const char *assertation_label)