or you can have it typeset whole files:\usepackage{listings} \lstset{language=C} ... \begin{document} \begin{lstlisting} #include <stdio.h> int main(int argc, char ** argv) { printf("Hello world!\n"); return 0; } \end{lstlisting} \end{document}
These very simple examples may be decorated in a huge variety of ways, and of course there are other languages in the package’s vocabulary than just C… For a long time, advice on (La)TeX lists seemed to regard listings as the be-all and end-all on this topic. In the last few years, viable alternatives have appeared Highlight is attractive if you need more than one output format for your program: as well as (La)TeX output, highlight will produce (X)HTML, RTF and XSL-FO representations of your program listing. The manual leads you through the details of defining a parameter file for a “new” language, as well as the presentation details of a language. The minted package is another alternative that offers the means of creating new language definitions. It requires that code be processed using an external (python) script, Pygments. Pygments, in turn, needs a “lexer” that knows the language you want to process; lots of these are available, for the more commonly-used languages, and there is advice on “rolling your own” on the <a href=’http://pygments.org/docs/lexerdevelopment/’>Pygments site</a> Usage of minted can be as simple as\usepackage{listings} \lstset{language=C} ... \begin{document} \lstinputlisting{main.c} \end{document}
which processes the program code dynamically, at typesetting time — though such usage is likely to require that separate processing be enabled. Longer-established, and variously less “powerful” systems include:\
begin{minted}{<language>}
…
\
end{minted}
This answer last edited: 2013-02-20
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