\documentclass[letterpaper]{book}
\usepackage{makeidx}
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\usepackage{doxygen}
\makeindex
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\begin{document}
\begin{titlepage}
\vspace*{7cm}
\begin{center}
{\Large Reference Manual}\\
\vspace*{1cm}
{\large Generated by Doxygen 1.5.8}\\
\vspace*{0.5cm}
{\small Mon Mar 28 13:33:24 2011}\\
\end{center}
\end{titlepage}
\clearemptydoublepage
\pagenumbering{roman}
\tableofcontents
\clearemptydoublepage
\pagenumbering{arabic}
\chapter{CMX Generated Documentation}
\label{index}\hypertarget{index}{}\input{index}
\chapter{Directory Hierarchy}
\input{dirs}
\chapter{Class Index}
\input{annotated}
\chapter{File Index}
\input{files}
\chapter{Directory Documentation}
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\chapter{Class Documentation}
\input{struct__GRBS__epuCtl}
\include{struct__GRBS__msg}
\include{struct__GRBS__msgBdy}
\include{struct__GRBS__simMsg}
\include{struct__GRBS__siuCtl}
\chapter{File Documentation}
\input{GRBS__epu__p_8h}
\include{GRBS__fes__ebf_8c}
\include{GRBS__msgs_8c}
\include{GRBS__msgs_8h}
\include{GRBS__pubdefs_8h}
\include{GRBS__sim_8c}
\include{GRBS__siu_8c}
\include{GRBS__siu__p_8h}
\include{GRBS__util__p_8h}
\printindex
\end{document}