--- shake-fs-0.999/judge.h	2011-03-17 16:13:20.000000000 -0700
+++ good/judge.h	2014-05-12 09:31:15.938662737 -0700
@@ -22,6 +22,7 @@
 #include <stdbool.h>
 #include <fcntl.h>
 #include <time.h>
+#include <sys/types.h>
 typedef unsigned int uint;
 typedef long long int llint;