1 files changed, 4 insertions, 2 deletions
diff --git a/c++/test/trefer.cpp b/c++/test/trefer.cpp
index 155f122..edcd968 100644
--- a/c++/test/trefer.cpp
+++ b/c++/test/trefer.cpp
@@ -277,8 +277,10 @@ test_reference_obj(void)
 **  test_reference(): Main reference testing routine.
 **
 ****************************************************************/
-void
-test_reference(void)
+#ifdef __cplusplus
+extern "C"
+#endif
+void test_reference(void)
 {
     // Output message about test being performed
     MESSAGE(5, ("Testing References\n"));