--- a/src/config.cpp
+++ b/src/config.cpp
@@ -27,8 +27,9 @@
 
 *************************************************************************/
 
-#include <stdio.h>
-#include <stdlib.h>
+#include <cstring>
+#include <cstdio>
+#include <cstdlib>
 #include "config.h"
 #include "init.h"