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ANSI C data declaration module constructor: Datadec transforms a series of Haskell style recursive (or inductive) datatype declarations into a C module to implement them.

provided files for the WACC project (in C)

Provided files for the 1920 Pintos lab exercise

Written in C, this is a tiny compiler for a miniscule Haskell subset (essentially, Int -> Int functions) to Dafny translator. So many C tools (Yacc, Lex, my datadec, generic modules etc) used, only about 20% of the code is human-written.

A RC quadcopter flight controller for Arduino with an Android client

This is a fork of the kstart provided by Russ Allbery at http://www.eyrie.org/~eagle/software/kstart/ with minor tweaks to enable the static compilation for HTCondor using condor_compile and the static Heimdal Kerberos 5 libs.

UnID or Unified Identification is a smart way of storing and sharing just the data you need to use, through your phone, a special card or a web server. It should provide convenience and security through the use of blockchains.

Pancake numbers are an obscure number theory sequence, defined as:

pancake(n) = smallest number of "pancake stack flips" to get the worst case stack-of-n-pancakes sorted. p(1)=0; p(2)=1 [casse ba], p(3)=3]; p(18) unknown

First order logic parser and evaluator in C

In LinkedIn's Plain Old C Programming group in , John Coloccia asked about whether "namespaces" would be a good idea for C. He explained that he meant some form of modularity, and I thought I've have a play - this is the result! A module generator!

A cutdown version of part2 of my mailing list flattening C example, a specialised form of the general "computing transitive closures of a directed graph" method