If you're already familiar with the current Btrieve API and want to understand how your current knowledge maps to the Btrieve C++ and C API then the Btrieve Operation to Btrieve C++ and C API Mapping Guide guide is a good place to start.
If you want an introduction to the Btrieve C++ API paradigm then the simple example, btest.cpp , is a good place to start.
If you want to explore the Btrieve C++ API via its documentation then the class list is a good place to start.
If you want an introduction to the Btrieve C API paradigm then the simple example, btest.c , is a good place to start.