Include external library

[eluser]ephlodur[/eluser]
Thanks to all for your reply
I have change the class name and the file name as below:
file name PHPRtfLite.cpp

Code:

class PHPRtfLite
{
}

in my controller now I used

Code:

$this->load->library('phprtflite');

I still get the same error... have any of you use the lib "PHPRtfLite" before in your project.