--- ray/src/common/tmerrmsg.h	1997/04/18 13:59:50	3.2
+++ ray/src/common/tmerrmsg.h	2003/06/27 06:53:22	3.6
@@ -1,12 +1,14 @@
-/* Copyright (c) 1997 Regents of the University of California */
-
-/* SCCSid "$SunId$ LBL" */
-
+/* RCSid $Id: tmerrmsg.h,v 3.6 2003/06/27 06:53:22 greg Exp $ */
 /*
  * Error messages for tone mapping functions.
  * Included exclusively in "tonemap.c".
  * English version.
  */
+#ifndef _RAD_TMERRMSG_H_
+#define _RAD_TMERRMSG_H_
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 char	*tmErrorMessage[] = {
 		"no error",
@@ -18,3 +20,10 @@ char	*tmErrorMessage[] = {
 		"code consistency error 1",
 		"code consistency error 2",
 	};
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _RAD_TMERRMSG_H_ */
+