To rebuild the PICHEX package in toolkit (standalone) form with
Turbo C use:

    make -f tookit.mak

To create the library form use

    make -f lib.mak

The toolkit and lib *.obj files are incomapatible so be sure
you delete them all between makes of the different forms of
PICHEX.  The makefiles will only work with Turbo C (I used
Turbo C++ V3.0) but the programs themselves should be
portable (though I'll probably be proved wrong).

The library form of PICHEX is not particularly useful but it
does make it easier to write a menu-based version of PICHEX
The library functions can communicate fatal errors to the
caller (non-zero return value means a fata error occurred and
a string describing the error is available via errbuf). 
Non-fatal errors are just ignored, which is less than ideal.

Be sure to include pichex.h in any programs that use the library.  
I'm afraid the source will have to act as its own documentation but 
at least all the programs contain a main() with an example of the 
function call.

