5 files changed, 34 insertions, 0 deletions
diff --git a/test/testutil/basic_output.c b/test/testutil/basic_output.c
index 9080aaec37..8cf5def714 100644
--- a/test/testutil/basic_output.c
+++ b/test/testutil/basic_output.c
@@ -8,6 +8,7 @@
  */
 
 #include "../testutil.h"
+#include "output.h"
 
 #include <openssl/crypto.h>
 #include <openssl/bio.h>
diff --git a/test/testutil/driver.c b/test/testutil/driver.c
index 29c97a9912..7914ea5201 100644
--- a/test/testutil/driver.c
+++ b/test/testutil/driver.c
@@ -8,6 +8,7 @@
  */
 
 #include "../testutil.h"
+#include "output.h"
 
 #include <string.h>
 #include <assert.h>
diff --git a/test/testutil/output.h b/test/testutil/output.h
new file mode 100644
index 0000000000..5e7d8c0954
--- /dev/null
+++ b/test/testutil/output.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2014-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef HEADER_TU_OUTPUT_H
+# define HEADER_TU_OUTPUT_H
+
+#include <stdarg.h>
+
+/*
+ * The basic I/O functions used internally by the test framework.  These
+ * can be overriden when needed. Note that if one is, then all must be.
+ */
+void test_open_streams(void);
+void test_close_streams(void);
+/* The following ALL return the number of characters written */
+int test_puts_stdout(const char *str);
+int test_puts_stderr(const char *str);
+int test_vprintf_stdout(const char *fmt, va_list ap);
+int test_vprintf_stderr(const char *fmt, va_list ap);
+/* These return failure or success */
+int test_flush_stdout(void);
+int test_flush_stderr(void);
+
+#endif                          /* HEADER_TU_OUTPUT_H */
diff --git a/test/testutil/test_main.c b/test/testutil/test_main.c
index 0152421fe1..7c9843c01c 100644
--- a/test/testutil/test_main.c
+++ b/test/testutil/test_main.c
@@ -8,6 +8,7 @@
  */
 
 #include "../testutil.h"
+#include "output.h"
 
 #include <stdio.h>
 
diff --git a/test/testutil/tests.c b/test/testutil/tests.c
index 67b20a572c..b7f5bfb2a1 100644
--- a/test/testutil/tests.c
+++ b/test/testutil/tests.c
@@ -8,6 +8,7 @@
  */
 
 #include "../testutil.h"
+#include "output.h"
 
 #include <string.h>
 #include "../../e_os.h"