The fellow programmer that program to connect with computer’s port on Window by using Borland C++ Builder that use the method that I suggested in programming connect to port that is run on DOS. Also, present how to program by MS VC++ 6 for running on Window that is using function of dos.h file, but cannot be used, despite declare #include at the top of program.
First of all, I want to disclaim that I don’t use Borland C++ Builder in programming because I practice just MS VC++ 6 , but trying to search information in the internet , then I find the answer that we have to use in writing function to connect to I/O Port by helping of assembly. I reminded that I used the method of writing in

