Is there anybody who used FireBird DB?

[Suliman via Digitalmars-d-learn]

I have found next driver
http://www.ibpp.org/#what_is_ibpp

Here http://sourceforge.net/projects/ibpp is link to zip package 
that include two exe files and ibpp.lib ibpp.h
it's look like it's ass that need for binding. I tried to run 
htod.exe but got error:

D:\Project\2016>htod.exe ibpp.h
Fatal error: unable to open input file windows.h

 From where I should to get this file?