Re: about C library

[Ignacio Burgueño <ignaciob@...>]

According to:
http://msdn.microsoft.com/en-us/library/ms681381%28VS.85%29.aspx
87 = ERROR_INVALID_PARAMETER "The parameter is incorrect."

Most likely the parameter to LoadLibrary.

What is the value of package.cpath? 

Run this:

print(package.cpath)

and show us that, please.