--- cfg.h.orig	2007-07-15 18:09:28.000000000 +0400
+++ cfg.h	2008-04-17 10:47:59.073553726 +0400
@@ -14,6 +14,7 @@
 #include <string>
 #include <map>
 #include <vector>
+#include <cstdlib>
 
 #define INPUT_MAXLENGTH_NAME    30
 #define INPUT_MAXLENGTH_PASSWD  50

.