diff --git a/demo/Makefile b/demo/Makefile
new file mode 100644
index 0000000..4d679cc
--- /dev/null
+++ b/demo/Makefile
@@ -0,0 +1,8 @@
+
+all: demo0
+
+demo0: demo0.c ../../libver/ver.h ../lib/node.h ../../libver/libver.so ../lib/libnode.so Makefile
+	gcc -g -o demo0 -I ../../libver -I ../lib -ldl ../../libver/libver.so ../lib/libnode.so demo0.c
+
+clean:
+	rm demo0
diff --git a/demo/nddemo0.dsw b/demo/nddemo0.dsw
new file mode 100644
index 0000000..2ce5c96
--- /dev/null
+++ b/demo/nddemo0.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "demo0"=.\demo0\demo0.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+
diff --git a/lib/Makefile b/lib/Makefile
new file mode 100644
index 0000000..4ba273f
--- /dev/null
+++ b/lib/Makefile
@@ -0,0 +1,11 @@
+
+all: libnode.so
+
+libnode.o: libnode.c node.h libnode.h ../../libver/ver.h Makefile
+	gcc -c -g -o libnode.o -I . -I ../../libver libnode.c
+
+libnode.so: libnode.o
+	ld -shared -o libnode.so libnode.o
+
+clean:
+	rm libnode.o libnode.so
diff --git a/lib/libnode.dsp b/lib/libnode.dsp
new file mode 100644
index 0000000..1449739
--- /dev/null
+++ b/lib/libnode.dsp
@@ -0,0 +1,104 @@
+# Microsoft Developer Studio Project File - Name="libnode" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Static Library" 0x0104
+
+CFG=libnode - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "libnode.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "libnode.mak" CFG="libnode - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "libnode - Win32 Release" (based on "Win32 (x86) Static Library")
+!MESSAGE "libnode - Win32 Debug" (based on "Win32 (x86) Static Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "libnode - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD BASE RSC /l 0x809 /d "NDEBUG"
+# ADD RSC /l 0x809 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo
+
+!ELSEIF  "$(CFG)" == "libnode - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /FR /YX /FD /GZ /c
+# ADD BASE RSC /l 0x809 /d "_DEBUG"
+# ADD RSC /l 0x809 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo
+
+!ENDIF 
+
+# Begin Target
+
+# Name "libnode - Win32 Release"
+# Name "libnode - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\libnode.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# Begin Source File
+
+SOURCE=.\libnode.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\node.h
+# End Source File
+# End Group
+# End Target
+# End Project
diff --git a/lib/libnode.dsw b/lib/libnode.dsw
new file mode 100644
index 0000000..0970a5e
--- /dev/null
+++ b/lib/libnode.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "libnode"=.\libnode.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+
diff --git a/util/Makefile b/util/Makefile
new file mode 100644
index 0000000..e184f0d
--- /dev/null
+++ b/util/Makefile
@@ -0,0 +1,8 @@
+
+all: ndbench
+
+ndbench: ndbench.c ../../libver/ver.h ../lib/node.h ../../libver/libver.so ../lib/libnode.so Makefile
+	gcc -g -o ndbench -I ../../libver -I ../lib -ldl ../../libver/libver.so ../lib/libnode.so ndbench.c
+
+clean:
+	rm ndbench
diff --git a/util/ndbench.dsw b/util/ndbench.dsw
new file mode 100644
index 0000000..0aed722
--- /dev/null
+++ b/util/ndbench.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "ndbench"=.\ndbench.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+
diff --git a/util/test-all.ndb b/util/test-all.ndb
new file mode 100644
index 0000000..823d87a
--- /dev/null
+++ b/util/test-all.ndb
@@ -0,0 +1,3 @@
+Batch_Run test-10K.ndb
+Batch_Run test-100K.ndb
+Batch_Run test-1M.ndb