There's two programs here: Prestall and Install.  Prestall
creates installation programs. Install is the installation
program stub used by Prestall.

Prestall Files
--------------
compile.cpp
parser.cpp
prestall.cpp
prestall.def
prestall.rc

Install File
------------
install.cpp
install.def
install.rc

The source code uses some Symantec C++ specific directives,
like "#pragma once".