diff --git a/vnr/cpputil/cppcstring.h b/vnr/cpputil/cppcstring.h
new file mode 100644
index 0000000..d1cd3dc
--- /dev/null
+++ b/vnr/cpputil/cppcstring.h
@@ -0,0 +1,122 @@
+#ifndef CPPCSTRING_H
+#define CPPCSTRING_H
+
+// cppcstring.h
+// 10/12/2014 jichi
+
+#include <cstddef> // for size_t
+#include <cstring>
+//#include <algorithm> // for std::min
+#include "ccutil/ccmacro.h"
+
+// strlen
+
+template <typename charT>
+inline size_t cpp_basic_strlen(const charT *s)
+{
+  const charT *p = s;
+  while (*p) p++;
+  return p - s;
+}
+
+inline size_t cpp_strlen(const char *s) { return cpp_basic_strlen(s); }
+inline size_t cpp_wstrlen(const wchar_t *s) { return cpp_basic_strlen(s); }
+
+template <typename charT>
+inline size_t cpp_basic_strnlen(const charT *s, size_t n)
+{
+  const charT *p = s;
+  while (*p && n) p++, n--;
+  return p - s;
+}
+
+inline size_t cpp_strnlen(const char *s, size_t n) { return cpp_basic_strnlen(s, n); }
+inline size_t cpp_wstrnlen(const wchar_t *s, size_t n) { return cpp_basic_strnlen(s, n); }
+
+// strnchr
+
+#define cpp_basic_strnchr_(s, c, n) \
+  { \
+    while (*s && n) { \
+      if (*s == c) \
+        return s; \
+      s++, n--; \
+    } \
+    return nullptr; \
+  }
+template <typename charT>
+inline charT *cpp_basic_strnchr(charT *s, int c, size_t n)
+cpp_basic_strnchr_(s, c, n)
+
+template <typename charT>
+inline const charT *cpp_basic_strnchr(const charT *s, int c, size_t n)
+cpp_basic_strnchr_(s, c, n)
+
+// The same as memchr
+inline char *cpp_strnchr(char *s, int c, size_t n) { return cpp_basic_strnchr(s, c, n); }
+inline const char *cpp_strnchr(const char *s, int c, size_t n) { return cpp_basic_strnchr(s, c, n); }
+
+inline wchar_t *cpp_wcsnchr(wchar_t *s, int c, size_t n) { return cpp_basic_strnchr(s, c, n); }
+inline const wchar_t *cpp_wcsnchr(const wchar_t *s, int c, size_t n) { return cpp_basic_strnchr(s, c, n); }
+
+// strnstr
+
+#define cpp_basic_strnstr_(s, slen, r, rlen, ncmp) \
+  { \
+    while (*s && slen >= rlen) { \
+      if (ncmp(s, r, CC_MIN(slen, rlen)) == 0) \
+        return s; \
+      s++, slen--; \
+    } \
+    return nullptr; \
+  }
+
+template <typename charT>
+inline charT *cpp_basic_strnstr(charT *s, const charT *r, size_t n)
+cpp_basic_strnstr_(s, n, r, ::strlen(r), ::strncmp)
+
+template <typename charT>
+inline const charT *cpp_basic_strnstr(const charT *s, const charT *r, size_t n)
+cpp_basic_strnstr_(s, n, r, ::strlen(r), ::strncmp)
+
+template <>
+inline wchar_t *cpp_basic_strnstr<wchar_t>(wchar_t *s, const wchar_t *r, size_t n)
+cpp_basic_strnstr_(s, n, r, ::wcslen(r), ::wcsncmp)
+
+template <>
+inline const wchar_t *cpp_basic_strnstr<wchar_t>(const wchar_t *s, const wchar_t *r, size_t n)
+cpp_basic_strnstr_(s, n, r, ::wcslen(r), ::wcsncmp)
+
+inline char *cpp_strnstr(char *s, const char *r, size_t n) { return cpp_basic_strnstr(s, r, n); }
+inline const char *cpp_strnstr(const char *s, const char *r, size_t n) { return cpp_basic_strnstr(s, r, n); }
+inline wchar_t *cpp_wcsnstr(wchar_t *s, const wchar_t *r, size_t n) { return cpp_basic_strnstr(s, r, n); }
+inline const wchar_t *cpp_wcsnstr(const wchar_t *s, const wchar_t *r, size_t n) { return cpp_basic_strnstr(s, r, n); }
+
+// strnpbrk
+
+// it might be faster to use strchr functions, which is not portable though
+#define cpp_basic_strnpbrk_(s, sep, n) \
+  { \
+    while (*s && n) { \
+      for (auto p = sep; *p; p++) \
+        if (*s == *p) \
+          return s; \
+      s++, n--; \
+    } \
+    return nullptr; \
+  }
+
+template <typename charT, typename char2T>
+inline charT *cpp_basic_strnpbrk(charT *dest, const char2T *breakset, size_t n)
+cpp_basic_strnpbrk_(dest, breakset, n)
+
+template <typename charT, typename char2T>
+inline const charT *cpp_basic_strnpbrk(const charT *dest, const char2T *breakset, size_t n)
+cpp_basic_strnpbrk_(dest, breakset, n)
+
+inline char *cpp_strnpbrk(char *dest, const char *breakset, size_t n) { return cpp_basic_strnpbrk(dest, breakset, n); }
+inline const char *cpp_strnpbrk(const char *dest, const char *breakset, size_t n) { return cpp_basic_strnpbrk(dest, breakset, n); }
+inline wchar_t *cpp_wcsnpbrk(wchar_t *dest, const wchar_t *breakset, size_t n) { return cpp_basic_strnpbrk(dest, breakset, n); }
+inline const wchar_t *cpp_wcsnpbrk(const wchar_t *dest, const wchar_t *breakset, size_t n) { return cpp_basic_strnpbrk(dest, breakset, n); }
+
+#endif // CPPCSTRING_H
diff --git a/vnr/cpputil/cpplocale.h b/vnr/cpputil/cpplocale.h
new file mode 100644
index 0000000..71041f4
--- /dev/null
+++ b/vnr/cpputil/cpplocale.h
@@ -0,0 +1,21 @@
+#ifndef CPPLOCALE_H
+#define CPPLOCALE_H
+
+// cpplocale.h
+// 9/26/2014 jichi
+
+#include <codecvt>
+#include <locale>
+
+//#include <boost/locale.hpp>
+
+// See: http://stackoverflow.com/questions/20195262/how-to-read-an-utf-8-encoded-file-containing-chinese-characters-and-output-them
+// The same as boost::locale::generator().generate("UTF-8"), which require linking
+// See: http://en.cppreference.com/w/cpp/locale/codecvt_utf8
+// - 0x10ffff is the default maximum value.
+// - std::consume_header will skip the leading encoding byte from the input.
+template <class charT>
+inline std::locale cpp_utf8_locale(std::locale init = std::locale())
+{ return std::locale(init, new std::codecvt_utf8<charT, 0x10ffff, std::consume_header>()); }
+
+#endif // CPPLOCALE_H
diff --git a/vnr/cpputil/cppmarshal.h b/vnr/cpputil/cppmarshal.h
new file mode 100644
index 0000000..8b81639
--- /dev/null
+++ b/vnr/cpputil/cppmarshal.h
@@ -0,0 +1,110 @@
+#ifndef CPPMARSHAL_H
+#define CPPMARSHAL_H
+
+// cppmarshal.h
+// 10/12/2014 jichi
+//
+// Functions are by default big-endian, the same as memory layout.
+#include "cpputil/cppcstring.h"
+#include "cpputil/cpptype.h"
+#include <cstring>
+
+/* Read */
+
+// Read number
+
+template <typename valT, typename byteT>
+inline const byteT *cpp_marshal_getval(const byteT *p, valT *v)
+{ *v = *reinterpret_cast<const valT *>(p); return p + sizeof(valT); }
+
+// Read pointer
+
+template <typename ptrT, typename byteT> \
+inline const byteT *cpp_marshal_getptr(const byteT *p, ptrT v)
+{ return cpp_marshal_getval<unsigned long>(p, reinterpret_cast<unsigned long *>(v)); }
+
+// Read string
+
+template <typename charT, typename byteT>
+inline const byteT *cpp_marshal_getstr(const byteT *p, charT *s)
+{
+  size_t n = cpp_basic_strlen(p);
+  ::memcpy(s, p, n + 1); // including '\0'
+  return p + n + 1;
+}
+
+template <typename charT, typename byteT>
+inline const byteT *cpp_marshal_getnstr(const byteT *p, charT *s, size_t n)
+{
+  if (n = cpp_basic_strnlen(p, n))
+    ::memcpy(s, p, n); // including '\0'
+  s[n] = 0;
+  return p + n + 1;
+}
+
+/* Write */
+
+// Write number
+
+template <typename valT, typename byteT>
+inline byteT *cpp_marshal_putval(byteT *p, valT v)
+{ *reinterpret_cast<valT *>(p) = v; return p + sizeof(valT); }
+
+// Write pointer
+
+template <typename ptrT, typename byteT> \
+inline byteT *cpp_marshal_putptr(byteT *p, ptrT v)
+{ return cpp_marshal_putval<unsigned long>(p, reinterpret_cast<unsigned long>(v)); }
+
+// Write string
+
+template <typename charT, typename byteT>
+inline byteT *cpp_marshal_putstr(byteT *p, charT *s)
+{
+  size_t n = cpp_basic_strlen(s);
+  ::memcpy(p, s, n + 1); // including '\0'
+  return p + n + 1;
+}
+
+template <typename charT, typename byteT>
+inline byteT *cpp_marshal_putstr(byteT *p, charT *s, size_t n)
+{
+  if (n = cpp_basic_strnlen(s, n))
+    ::memcpy(p, s, n); // including '\0'
+  s[n] = 0;
+  return p + n + 1;
+}
+
+/* Expansion */
+
+#define CPP_DECLARE_MARSHAL_GETVAL(type) \
+  template <typename byteT> \
+  inline const byteT *cpp_marshal_get##type(const byteT *p, cpp_##type *v) { return cpp_marshal_getval(p, v); }
+
+#define CPP_DECLARE_MARSHAL_PUTVAL(type) \
+  template <typename byteT> \
+  inline byteT *cpp_marshal_put##type(byteT *p, cpp_##type v) { return cpp_marshal_putval(p, v); }
+
+CPP_DECLARE_MARSHAL_PUTVAL(float)
+CPP_DECLARE_MARSHAL_PUTVAL(double)
+CPP_DECLARE_MARSHAL_GETVAL(float)
+CPP_DECLARE_MARSHAL_GETVAL(double)
+CPP_DECLARE_MARSHAL_GETVAL(int)
+CPP_DECLARE_MARSHAL_GETVAL(int8)
+CPP_DECLARE_MARSHAL_GETVAL(int32)
+CPP_DECLARE_MARSHAL_GETVAL(int64)
+CPP_DECLARE_MARSHAL_GETVAL(uint)
+CPP_DECLARE_MARSHAL_GETVAL(uint8)
+CPP_DECLARE_MARSHAL_GETVAL(uint32)
+CPP_DECLARE_MARSHAL_GETVAL(uint64)
+
+CPP_DECLARE_MARSHAL_PUTVAL(int)
+CPP_DECLARE_MARSHAL_PUTVAL(int8)
+CPP_DECLARE_MARSHAL_PUTVAL(int32)
+CPP_DECLARE_MARSHAL_PUTVAL(int64)
+CPP_DECLARE_MARSHAL_PUTVAL(uint)
+CPP_DECLARE_MARSHAL_PUTVAL(uint8)
+CPP_DECLARE_MARSHAL_PUTVAL(uint32)
+CPP_DECLARE_MARSHAL_PUTVAL(uint64)
+
+#endif // CPPMARSHAL_H
diff --git a/vnr/cpputil/cppmath.h b/vnr/cpputil/cppmath.h
new file mode 100644
index 0000000..2ed2296
--- /dev/null
+++ b/vnr/cpputil/cppmath.h
@@ -0,0 +1,25 @@
+#ifndef CPPMATH_H
+#define CPPMATH_H
+
+// cppmacro.h
+// 10/12/2014 jichi
+#include <cmath>
+
+// The same as qMin
+template <typename T>
+inline const T &cpp_min(const T &a, const T &b) { return (a < b) ? a : b; }
+
+// The same as qMax
+template <typename T>
+inline const T &cpp_max(const T &a, const T &b) { return (a < b) ? b : a; }
+
+// The same as qBound
+template <typename T>
+inline const T &cpp_bound(const T &min, const T &val, const T &max)
+{ return cpp_max(min, cpp_min(max, val)); }
+
+// The same as qFuzzyCompare
+inline bool cpp_fuzzy_compare(float p1, float p2)
+{ return (abs(p1 - p2) <= 0.00001f * cpp_min(abs(p1), abs(p2))); }
+
+#endif // CPPMATH_H
diff --git a/vnr/cpputil/cpppath.h b/vnr/cpputil/cpppath.h
new file mode 100644
index 0000000..e812a9d
--- /dev/null
+++ b/vnr/cpputil/cpppath.h
@@ -0,0 +1,54 @@
+#ifndef CPPPATH_H
+#define CPPPATH_H
+
+// cpppath.h
+// 5/7/2014 jichi
+
+#include <cstddef> // for size_t
+
+enum : char { cpp_pathsep_unix = '/' , cpp_pathsep_win = '\\' };
+
+// basename
+
+template <class charT>
+inline const charT *cpp_basic_basename(const charT *s)
+{
+  const charT *p = s;
+  //if (s) // not checked
+  for (; *s; s++)
+    if (*s == cpp_pathsep_unix || *s == cpp_pathsep_win)
+      p = s + 1;
+  return p;
+}
+
+//if (const char *r = ::strrchr(s, pathsep))
+//  return r + 1; // skip the path seperator
+//else
+//  return s;
+inline const char *cpp_basename(const char *s) { return cpp_basic_basename<char>(s); }
+
+//if (const wchar_t *r = ::wcsrchr(s, pathsep))
+//  return r + 1; // skip the path seperator
+//else
+//  return s;
+inline const wchar_t *cpp_wbasename(const wchar_t *s) { return cpp_basic_basename<wchar_t>(s); }
+
+// dirmame
+
+///  Return the length so that s[len] == pathsep
+template <class charT>
+inline size_t cpp_basic_dirlen(const charT *s)
+{
+  const charT *p = s,
+              *t = s;
+  //if (s) // not checked
+  for (; *s; s++)
+    if (*s == cpp_pathsep_unix || *s == cpp_pathsep_win)
+      p = s + 1;
+  return p - t;
+}
+
+inline size_t cpp_wdirlen(const char *s) { return cpp_basic_dirlen<char>(s); }
+inline size_t cpp_wdirlen(const wchar_t *s) { return cpp_basic_dirlen<wchar_t>(s); }
+
+#endif // CPPPATH_H
diff --git a/vnr/cpputil/cppstring.h b/vnr/cpputil/cppstring.h
new file mode 100644
index 0000000..77c65fe
--- /dev/null
+++ b/vnr/cpputil/cppstring.h
@@ -0,0 +1,36 @@
+#ifndef CPPSTRING_H
+#define CPPSTRING_H
+
+// cppstring.h
+// 10/12/2014 jichi
+
+#include <cstring>
+#include <string>
+
+// Initializers
+
+template <typename charT, typename stringT>
+inline std::basic_string<charT> cpp_basic_string_of(const stringT &s)
+{ return std::basic_string<charT>(s.cbegin(), s.cend()); }
+
+template <typename stringT>
+inline std::string cpp_string_of(const stringT &s)
+{ return std::string(s.cbegin(), s.cend()); }
+
+inline std::string cpp_string_of(const char *s)
+{ return s; }
+
+inline std::string cpp_string_of(const wchar_t *s)
+{ return std::string(s, s + ::wcslen(s)); }
+
+template <typename stringT>
+inline std::wstring cpp_wstring_of(const stringT &s)
+{ return std::wstring(s.cbegin(), s.cend()); }
+
+inline std::wstring cpp_wstring_of(const wchar_t *s)
+{ return s; }
+
+inline std::wstring cpp_wstring_of(const char *s)
+{ return std::wstring(s, s + ::strlen(s)); }
+
+#endif // CPPSTRING_H
diff --git a/vnr/cpputil/cpptype.h b/vnr/cpputil/cpptype.h
new file mode 100644
index 0000000..cc381ae
--- /dev/null
+++ b/vnr/cpputil/cpptype.h
@@ -0,0 +1,42 @@
+#ifndef CPPTYPE_H
+#define CPPTYPE_H
+
+// cpptype.h
+// 10/12/2014 jichi
+#include <cstdint>
+
+// Platform-dependent
+
+typedef char cpp_char;
+typedef unsigned char cpp_uchar;
+
+typedef short cpp_short;
+typedef unsigned short cpp_ushort;
+
+typedef int cpp_int;
+typedef unsigned int cpp_uint;
+
+typedef long cpp_long;
+typedef unsigned long cpp_ulong;
+
+typedef long long cpp_llong;
+typedef unsigned long long cpp_ullong;
+
+typedef float cpp_float;
+typedef double cpp_double;
+
+// Platform-independent
+
+typedef int8_t cpp_int8;
+typedef uint8_t cpp_uint8;
+
+typedef cpp_int8 cpp_byte;
+typedef cpp_uint8 cpp_ubyte;
+
+typedef int32_t cpp_int32;
+typedef uint32_t cpp_uint32;
+
+typedef int64_t cpp_int64;
+typedef uint64_t cpp_uint64;
+
+#endif // CPPTYPE_H
diff --git a/vnr/cpputil/cppunicode.h b/vnr/cpputil/cppunicode.h
new file mode 100644
index 0000000..e874c38
--- /dev/null
+++ b/vnr/cpputil/cppunicode.h
@@ -0,0 +1,23 @@
+#ifndef CPPUNICODE_H
+#define CPPUNICODE_H
+
+#include <string>
+typedef std::basic_string<char16_t, std::char_traits<char16_t>, std::allocator<char16_t> > cpp_u16string;
+typedef std::basic_string<char32_t, std::char_traits<char32_t>, std::allocator<char32_t> > cpp_u32string;
+
+// <fstream>
+#if defined(_FSTREAM_) || defined(_LIBCPP_FSTREAM) || defined(_GLIBCXX_FSTREAM)
+typedef std::basic_ifstream<char16_t, std::char_traits<char16_t> > cpp_u16ifstream;
+typedef std::basic_ifstream<char32_t, std::char_traits<char32_t> > cpp_u32ifstream;
+
+typedef std::basic_ofstream<char16_t, std::char_traits<char16_t> > cpp_u16ofstream;
+typedef std::basic_ofstream<char32_t, std::char_traits<char32_t> > cpp_u32ofstream;
+
+typedef std::basic_fstream<char16_t, std::char_traits<char16_t> > cpp_u16fstream;
+typedef std::basic_fstream<char32_t, std::char_traits<char32_t> > cpp_u32fstream;
+#endif // <fstream>
+
+inline char16_t cpp_u32low(char32_t c) { return c; }
+inline char16_t cpp_u32high(char32_t c) { return c >> 16; }
+
+#endif // CPPUNICODE_H
diff --git a/vnr/cpputil/cpputil.pri b/vnr/cpputil/cpputil.pri
new file mode 100644
index 0000000..4a354a6
--- /dev/null
+++ b/vnr/cpputil/cpputil.pri
@@ -0,0 +1,18 @@
+# cpputil.pri
+# 9/26/2012 jichi
+
+DEFINES += WITH_LIB_CPPUTIL
+
+DEPENDPATH += $$PWD
+
+HEADERS += \
+    $$PWD/cppcstring.h \
+    $$PWD/cpplocale.h \
+    $$PWD/cppmarshal.h \
+    $$PWD/cpppath.h \
+    $$PWD/cppregex.h \
+    $$PWD/cppstring.h \
+    $$PWD/cpptype.h \
+    $$PWD/cppunicode.h
+
+# EOF