> I am getting a linking error when compiling the 
engine 
> using visual c++ 6.0:
> Linking...
> LIBCMT.lib(crt0.obj) : error LNK2001: unresolved 
> external symbol _main

This looks like a C++/C header problems - dud you use 
the provided httrack.dsw/dsp?(httrack.exe is compiled with VC6, therefore this

should work! :) )

Ensure that you installed the VC6 service pack(s), 
too..