Huffman Compress Algorithm

Hi Everybody,
Actually i do Huffman compress algorithm now and I'm in very very interesting stage and i need any one can help me to complete this demonstration and also it's documentation to be as a reference for every student in FCI,CS and may be Enhanced with time to be Complete Compress Application
What i Have Done Now
-Frequency Table
-Build Encoding Tree
-Get Node String

the next step will be deals with Files through Pure C not C++.
for Contact Email me: mega_unknown@hotmail.com