diff --git a/src/libCom/osi/os/WIN32/osdWireConfig.h b/src/libCom/osi/os/WIN32/osdWireConfig.h
index 5df063518..1715786e0 100644
--- a/src/libCom/osi/os/WIN32/osdWireConfig.h
+++ b/src/libCom/osi/os/WIN32/osdWireConfig.h
@@ -1,16 +1,16 @@
-//
-// WIN32 version of
-// osdWireConfig.h
-//
-//  Author Jeffrey O. Hill
-//  johill@lanl.gov
-//
+/*
+ * WIN32 version of
+ * osdWireConfig.h
+ *
+ *  Author Jeffrey O. Hill
+ *  johill@lanl.gov
+ */
 
 #ifndef osdWireConfig_h
 #define osdWireConfig_h
 
-// for now, assume that win32 runs only on generic little endian
+/* for now, assume that win32 runs only on generic little endian */
 #define EPICS_BYTE_ORDER EPICS_ENDIAN_LITTLE
 #define EPICS_FLOAT_WORD_ORDER EPICS_BYTE_ORDER
 
-#endif // ifdef osdWireConfig_h
+#endif /* ifdef osdWireConfig_h */
diff --git a/src/libCom/osi/os/solaris/osdWireConfig.h b/src/libCom/osi/os/solaris/osdWireConfig.h
index 333f5552d..277fe395e 100644
--- a/src/libCom/osi/os/solaris/osdWireConfig.h
+++ b/src/libCom/osi/os/solaris/osdWireConfig.h
@@ -1,10 +1,10 @@
-//
-// Solaris version of
-// osdWireConfig.h
-//
-//  Author Jeffrey O. Hill
-//  johill@lanl.gov
-//
+/*
+ * Solaris version of
+ * osdWireConfig.h
+ *
+ *  Author Jeffrey O. Hill
+ *  johill@lanl.gov
+ */
 
 #ifndef osdWireConfig_h
 #define osdWireConfig_h
@@ -19,8 +19,8 @@
 #   error EPICS hasnt been ported to byte order specified by <sys/isa_defs.h> on Solaris
 #endif
 
-// for now, assume that Solaris doesnt run on weird arch like ARM NWFP
+/* for now, assume that Solaris doesnt run on weird arch like ARM NWFP */
 #define EPICS_FLOAT_WORD_ORDER EPICS_BYTE_ORDER
 
-#endif // ifdef osdWireConfig_h
+#endif /* ifdef osdWireConfig_h */
 
diff --git a/src/libCom/osi/os/vxWorks/osdWireConfig.h b/src/libCom/osi/os/vxWorks/osdWireConfig.h
index 682af9a60..b1aa6e232 100644
--- a/src/libCom/osi/os/vxWorks/osdWireConfig.h
+++ b/src/libCom/osi/os/vxWorks/osdWireConfig.h
@@ -1,10 +1,10 @@
-//
-// vxWorks version of
-// osdWireConfig.h
-//
-//  Author Jeffrey O. Hill
-//  johill@lanl.gov
-//
+/*
+ * vxWorks version of
+ * osdWireConfig.h
+ *
+ *  Author Jeffrey O. Hill
+ *  johill@lanl.gov
+ */
 
 #ifndef osdWireConfig_h
 #define osdWireConfig_h
@@ -19,7 +19,7 @@
 #   error EPICS hasnt been ported to _BYTE_ORDER specified by vxWorks <types/vxArch.h>
 #endif
 
-// for now, assume that vxWorks doesnt run on weird arch like ARM NWFP
+/* for now, assume that vxWorks doesnt run on weird arch like ARM NWFP */
 #define EPICS_FLOAT_WORD_ORDER EPICS_BYTE_ORDER
 
-#endif // ifdef osdWireConfig_h
+#endif /* ifdef osdWireConfig_h */