libsparklepaw is a work-in-progress reference implementation of PawSD, in the
form of a c library. it isn't good yet

documentation is available by invoking doxygen (or 'make doc'), which will emit
webpages into docs-generated/html/

see also: <https://pawpub.entities.org.uk/pawsd/>
another c library for pawsd: <gemini://ametrine.dev/libpawsd.git>