%%
%% The LaTeX Companion, 3ed
%%
%% Example 6-2-7 on page I-441 in "Examples of preamble specifiers".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{111.0pt}
%StartShownPreambleCommands
\usepackage{array}
%StopShownPreambleCommands

\begin{document}
\begin{tabular}{|>{\large}c|>{\large\bfseries}l|>{\itshape}c|}
\hline A & B & C\\\hline 100 & 10 & 1 \\\hline
\end{tabular}
\end{document}