1 files changed, 2 insertions, 0 deletions
diff --git a/crypt.h b/crypt.h
index 6721734..c8c6d9f 100644
--- a/crypt.h
+++ b/crypt.h
@@ -2,7 +2,9 @@
 #define _CRYPT_H_
 
 #include <iostream>
+#include <string>
 #include "crypt_args.h"
+#include <errno.h>
 #include "bigint/BigIntegerLibrary.hh"
 
 using namespace std;