Data logging from sensor (error Turbo C++ Windows Xp)

[bootstrap]

I have the following source code for data logging (it works like the terminal in Windows Xp).I have compiled the code using Turbo C++ under Windows Xp.The code is compiling fine but I am getting linker errors
I am getting the following linker errors (I compiled this in turbo c++ windows)
Linker error : Undefined symbol _ComOpenS
Linker error : Undefined symbol _ComGets
.....
and 16 such errors.What is the problem with the code ..I am n ot able to understandand

[Admin]

It means there are include files with functions that are being called but haven't been linked (i.e. in the wrong directory, or not pointed to the correct directory).