A simple C library for interfacing with SHET. This was mainly written for the new shet command line client SHETCClient.
$ git clone git://github.com/18sg/SHETC.git
$ cd SHETC
$ scons
$ sudo scons install
Alternatively, Arch users can install the shet-c-git package from the AUR. Debian users can first switch to Arch, then install the shet-c-git package from the AUR.
The best 'documentation' currently available is the command line client, which exercises pretty much all of the API.