%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 6-7-33 on page 440.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{243.83385pt}
\StartShownPreambleCommands
\usepackage{vaucanson-g}
\StopShownPreambleCommands
\begin{document}
\begin{VCPicture}{(0,-2)(6,2)}
\State[p]{(0,0)}{A} \State{(3,0)}{B}
\State[r]{(6,0)}{C}
\Initial{A} \Final{C}
\EdgeL{A}{B}{a} \ArcL{B}{C}{b}
\ArcL{C}{B}{b}
\LoopN{A}{a} \LoopS{C}{d}
\end{VCPicture}
\end{document}