### Asterisk and pointer conversion

Hello, all
I am pretty new to C++ but have some experience with Java and other programming language. Currently I am having some problem with the the asterisk and pointers. The project is to develop a math equation rendering engine, using MathJax and env.js. I got a envjsnatives.cpp file from QT platform. In the file, there is a function called initializeEnvjsNatives.

 123  // Exported API. void initializeEnvjsNatives(QScriptEngine *); 

I included the cpp file and called the function with a engine object (if I am correct.) see partial code.
 1234567 #include "envjsnatives.cpp" QString scriptFileName(":/env.js"); QFile scriptFile(scriptFileName); scriptFile.open(QIODevice::ReadOnly); engine.evaluate(scriptFile.readAll(), scriptFileName); scriptFile.close(); initializeEnvjsNatives(engine);

When I build the project, I got this
 12 main.cpp:20: error: cannot convert 'QScriptEngine' to 'QScriptEngine*' for argument '1' to 'void initializeEnvjsNatives(QScriptEngine*)'

What's the problem? I think it is the pointer conversion.
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The error message is clear enough. Instead of the object itself you should use a pointer to the object as the function argument.
I only wonder do you have indeed some experience with Java and other programming languages?!
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At least I finished Java computer science AP course and passed Google Code Jam qualification round using java. And I know this is a pretty stupid question, so I posted in the beginner section.
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> I included the cpp file
You shouldn't include *.cpp (function definitions), it will give you a multiple definition error.