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diff --git a/src/stlplus/strings/print_int.hpp b/src/stlplus/strings/print_int.hpp
new file mode 100644
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--- /dev/null
+++ b/src/stlplus/strings/print_int.hpp
@@ -0,0 +1,81 @@
+#ifndef STLPLUS_PRINT_INT
+#define STLPLUS_PRINT_INT
+////////////////////////////////////////////////////////////////////////////////
+
+//   Author:    Andy Rushton
+//   Copyright: (c) Southampton University 1999-2004
+//              (c) Andy Rushton           2004-2009
+//   License:   BSD License, see ../docs/license.html
+
+//   Print integer types
+
+//   This extends the formatting available from iostream
+
+////////////////////////////////////////////////////////////////////////////////
+#include "strings_fixes.hpp"
+#include "format_types.hpp"
+#include <iostream>
+#include <stdexcept>
+
+namespace stlplus
+{
+
+  ////////////////////////////////////////////////////////////////////////////////
+  // Conversions of Integer types to string
+  ////////////////////////////////////////////////////////////////////////////////
+
+  // The radix (i.e. base) for these conversions can be any value from base 2 to base 36
+  // specifying any other radix causes std::invalid_argument to be thrown
+
+  // The way in which the radix is displayed is defined in radix_types.hpp
+  // If any other value is used, std::invalid_argument is thrown
+
+  // The width argument specifies the number of numerical digits to use in the result
+  // This is a minimum - if the value requires more digits then it will be wider than the width argument
+  // However, if it is smaller, then it will be extended to the specified width
+  // Then, the radix display prefix is added to this width
+
+  // For example, using the hash representation of 0 in hex with width=4 gives:
+  // 16#0000 - so there's 4 digits in the number part
+
+  void print_short(std::ostream& device, short i,
+                   unsigned radix = 10,
+                   radix_display_t display = radix_c_style_or_hash,
+                   unsigned width = 0)
+    throw(std::invalid_argument);
+
+  void print_unsigned_short(std::ostream& device, unsigned short i,
+                            unsigned radix = 10,
+                            radix_display_t display = radix_c_style_or_hash,
+                            unsigned width = 0)
+    throw(std::invalid_argument);
+
+  void print_int(std::ostream& device, int i,
+                 unsigned radix = 10,
+                 radix_display_t display = radix_c_style_or_hash,
+                 unsigned width = 0)
+    throw(std::invalid_argument);
+
+  void print_unsigned(std::ostream& device, unsigned i,
+                      unsigned radix = 10,
+                      radix_display_t display = radix_c_style_or_hash,
+                      unsigned width = 0)
+    throw(std::invalid_argument);
+
+  void print_long(std::ostream& device, long i,
+                  unsigned radix = 10,
+                  radix_display_t display = radix_c_style_or_hash,
+                  unsigned width = 0)
+    throw(std::invalid_argument);
+
+  void print_unsigned_long(std::ostream& device, unsigned long i,
+                           unsigned radix = 10,
+                           radix_display_t display = radix_c_style_or_hash,
+                           unsigned width = 0)
+    throw(std::invalid_argument);
+
+  ////////////////////////////////////////////////////////////////////////////////
+
+} // end namespace stlplus
+
+#endif