/* vi: set sw=4 ts=4: */
-#include "busybox.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include <unistd.h>
#include <math.h>
+#include "busybox.h"
/* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */