#include "libhashkit/hashkitcon.h"
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
+#include <cassert>
+#include <cerrno>
+#include <cstdio>
+#include <cstdlib>
+#include <cmath>
#ifndef __WORDSIZE
# ifdef __MINGW32__