The ZIP file that you downloaded (carb.zip) should contain the following files:
CARB.EXE - The MS-DOS executable file
CARB.C - The C Source File
BOX.H - A header file containing box functions
EGAVGA.BGI - The graphics driver file
README.TXT - The file that you are reading now
The EGAVGA.BGI should be in the same directory as the EXE file for it to run successfully.
Further the program has been written for VGA compatible display at 640X480 resolution.
Hence the program will run successfully only if the monitor supports VGA display at the
said resolution.The C source file has been tested under Turbo C++ 1.01 for MS-DOS platform
and the EXE provided in the package has been generated by the said compiler.