diff -durr plink-1.05-src-orig/helper.cpp plink-1.05-src/helper.cpp
--- plink-1.05-src-orig/helper.cpp	2008-12-11 20:52:22.000000000 +0000
+++ plink-1.05-src/helper.cpp	2009-03-06 23:22:06.199103558 +0000
@@ -36,7 +36,7 @@
 
 extern ofstream LOG;
 extern Plink * PP;
-
+/*
 template <class T>
 bool from_string(T& t, 
                  const std::string& s, 
@@ -45,7 +45,7 @@
   std::istringstream iss(s);
   return !(iss >> f >> t).fail();
 }
-
+*/
 vector<bool> nvec_bool()
 { 
   vector<bool> t(0);
diff -durr plink-1.05-src-orig/helper.h plink-1.05-src/helper.h
--- plink-1.05-src-orig/helper.h	2008-12-11 20:52:24.000000000 +0000
+++ plink-1.05-src/helper.h	2009-03-06 23:22:06.218353426 +0000
@@ -18,6 +18,9 @@
 #include <vector>
 #include <cstdio>
 
+#include <iostream>
+#include <sstream>
+
 #include "plink.h"
 
 template<class T>
@@ -89,7 +92,13 @@
 template <class T>
 bool from_string(T& t, 
 		 const std::string& s, 
-		 std::ios_base& (*f)(std::ios_base&));
+		 std::ios_base& (*f)(std::ios_base&))
+{
+   std::istringstream iss(s);
+   return !(iss >> f >> t).fail();
+ }
+
+
 
 void error(string);
 void shutdown();