#endif
#include <stddef.h>
#include <stdio.h>
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-#if HAVE_STRING_H
-# include <string.h>
-#endif
-#if HAVE_STRINGS_H
-# include <strings.h>
-#endif
+#include <stdlib.h>
+#include <string.h>
#if HAVE_INTTYPES_H
# include <inttypes.h>
#else