--- vbs-1.4.0b/src/common/dumpstrm.cc	2009-01-21 02:42:43.000000000 -0400
+++ vbs-1.4.0/src/common/dumpstrm.cc	2009-01-21 02:48:57.000000000 -0400
@@ -13,6 +13,7 @@
 
 #include <cstdio> // sprintf
 #include <iostream>
+#include <cstdlib>
 #include "dumpstrm.h"
 
 using std::cerr;
--- vbs-1.4.0b/src/common/logic.h	2009-01-21 02:42:43.000000000 -0400
+++ vbs-1.4.0/src/common/logic.h	2009-01-21 02:48:05.000000000 -0400
@@ -18,6 +18,7 @@
 
 #ifndef _LOGIC_H
 #define _LOGIC_H
+#include <cstdlib>
 
 class logic
 	{
--- vbs-1.4.0b/src/common/bvector.h	2009-01-21 02:42:43.000000000 -0400
+++ vbs-1.4.0/src/common/bvector.h	2009-01-21 02:46:31.000000000 -0400
@@ -30,6 +30,7 @@
 #include <string>
 #include <utility>
 #include <iostream>
+#include <cstring>
 #include "common/logic.h"
 
 class bit_vector