+
+void test_fail_message_prefix(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op);
+
+void test_fail_string_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op, const char *m1, size_t l1,
+ const char *m2, size_t l2);
+
+void test_fail_bignum_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op,
+ const BIGNUM *bn1, const BIGNUM *bn2);
+void test_fail_bignum_mono_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op, const BIGNUM *bn);
+
+void test_fail_memory_message(const char *prefix, const char *file,
+ int line, const char *type,
+ const char *left, const char *right,
+ const char *op,
+ const unsigned char *m1, size_t l1,
+ const unsigned char *m2, size_t l2);
+