1 files changed, 10 insertions, 0 deletions
diff --git a/lib/unicase/casefold.h b/lib/unicase/casefold.h
index 647e05fc..bb320678 100644
--- a/lib/unicase/casefold.h
+++ b/lib/unicase/casefold.h
@@ -25,6 +25,16 @@
 
 #include "unitypes.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 /* Return the casefold mapping of a Unicode character.  */
 extern ucs4_t
        uc_tocasefold (ucs4_t uc);
+
+
+#ifdef __cplusplus
+}
+#endif