// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
-#ifndef _CPP_BACKWARD_IOMANIP_H
-#define _CPP_BACKWARD_IOMANIP_H 1
+#ifndef _BACKWARD_IOMANIP_H
+#define _BACKWARD_IOMANIP_H 1
#include "backward_warning.h"
#include "iostream.h"
-#include <bits/std_iomanip.h>
+#include <iomanip>
// These are from <ios> as per [27.4].
using std::boolalpha;