listing package

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The Listings package

 

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The listings package is a source code printer for LATEX. You can typeset stand alone files as well as listings with an environment similar to verbatim as well as you can print code snippets using a command similar to \verb. Many parameters control the output and if your preferred programming language isn’t already supported, you can make your own definition.

Example:

1. \documentclass[a4paper,10pt]{article}
2. \usepackage{fancybox}
3. \usepackage{listings}
4. \usepackage{xcolor}
5. \usepackage{times}
6. \begin{document}
7. \section{Counting Numbers of Uppercase Characters}
8. \begin{center}
9. \begin{lstlisting}[language={[ANSI]C},
10. numbers=left,
11. numberstyle=\tiny,
12. basicstyle=\small\ttfamily,
13. stringstyle=\color{purple},
14. keywordstyle=\color{blue}\bfseries,
15. commentstyle=\color{olive},
16. directivestyle=\color{blue},
17. frame=shadowbox,
18. %framerule=0pt,
19. %backgroundcolor=\color{pink},
20. rulesepcolor=\color{red!20!green!20!blue!20}
21. %rulesepcolor=\color{brown}
22. %xleftmargin=2em,xrightmargin=2em,aboveskip=1em
23. ]
24. /*===================================================
25. * FileName: counter.c
26. * Author : Shaobin Li
27. * Date : 2007-09-13
28. * Description: count numbers of uppercase
29. * characters from input streams, and output
30. * the numbers respectively.
31. *=================================================*/
32. #include
33. #include
34. #include
36. #define SIZE 26
38. int
39. main (int argc, char *argv[])
40. {
41. int array[SIZE];
42. int i;
43. char c;
45. for (i = 0; i < SIZE; i++)
46. array[i] = 0;
48. while ((c = getchar ()) != EOF)
49. {
50. if (isupper (c))
51. {
52.    array[c - 'A']++;
53. }
54. }
55. for (i = 0; i < 26; i++)
56. printf ("%c:%5d\n", (char) ('A' + i), array[i]);
58. return 0;
59. }
61. \end{lstlisting}
62. \end{center}
63. \end{document}