%% 
%%  A DANTE-Edition example
%% 
%%  Example 01-01-5 on page 6.
%% 
%%  Copyright (C) 2010 Herbert Voss
%% 
%%  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.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{225.70511pt}
\setlength\parindent{0pt}
\setlength\textwidth{201.7051pt}



\begin{document}
\begin{tabular*}{\linewidth}%
   {|l@{\extracolsep{\fill}}|l|l|}
1 & 2 & 3 \\\hline A & B & C \\\hline
\end{tabular*}\par\bigskip
\begin{tabular*}{\linewidth}%
   {|l|l|@{\extracolsep{\fill}}r|}
1 & 2 & 3 \\\hline A & B & C \\\hline
\end{tabular*}
\end{document}