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-rw-r--r--c++/test/tfilter.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/c++/test/tfilter.cpp b/c++/test/tfilter.cpp
index dd17d74..2a9503a 100644
--- a/c++/test/tfilter.cpp
+++ b/c++/test/tfilter.cpp
@@ -248,6 +248,9 @@ void test_szip_filter(H5File& file1)
**
****************************************************************/
const H5std_string FILE1("tfilters.h5");
+#ifdef __cplusplus
+extern "C"
+#endif
void test_filters(void)
{
// Output message about test being performed