+#include <stdio.h>
+#include <string.h>
+#include "arc4.h"
+#include "cksum.h"
+
+int
+main (void)
+{
+ char stack_obj[4096];
+ struct arc4 arc4;
+
+ printf ("(pt-grow-stack) begin\n");
+ arc4_init (&arc4, "foobar", 6);
+ memset (stack_obj, 0, sizeof stack_obj);
+ arc4_crypt (&arc4, stack_obj, sizeof stack_obj);
+ printf ("(pt-grow-stack) cksum: %lu\n", cksum (stack_obj, sizeof stack_obj));
+ printf ("(pt-grow-stack) end\n");
+ return 0;
+}