# Documentation First-time users should start with the [tutorial](tutorial.md). ## Manual Pages These describe all the various command line options. * [`stg`](stg.md): ABI extraction and transformation * [`stgdiff`](stgdiff.md): ABI comparison and reporting ## Reference * [`reference`](reference.md): work-in-progress covering concepts etc. ## Design and Implementation Incomplete descriptions of some of the more interesting things that make up `stgdiff`. * [Comparison](comparison.md): how STG compares graphs * [Naming](naming.md): how STG builds C type name syntax * [Reporting](reporting.md): how STG serialises reports * [SCC](scc.md): how STG efficiently and safely handles cyclic graphs