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%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example 3-4-32 on page 170.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%% Johannes Braams, David Carlisle, and Chris Rowley
%%
%% 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{207.0pt}
\StartShownPreambleCommands
\usepackage{listings}
\lstloadlanguages{C,Ada}
\lstset{language=C,commentstyle=\scriptsize}
\StopShownPreambleCommands
\begin{document}
A ``for'' loop in C:
\begin{lstlisting}[keywordstyle=\underbar]
int sum;
int i; /*for loop variable*/
sum=0;
for (i=0;i<n;i++) {
sum += a[i];
}
\end{lstlisting}
Now the same loop in Ada:
\begin{lstlisting}[language=Ada]
Sum: Integer;
-- no decl for I necessary
Sum := 0;
for I in 1..N loop
Sum := Sum + A(I);
end loop;
\end{lstlisting}
\end{document}
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