+\newcommand{\capref}[1]{cap.~\ref{#1}}
+\newcommand{\sezref}[1]{sez.~\ref{#1}}
+
+%
+% Macro to create a special environment for function prototypes
+%
+\newenvironment{prototype}[1]{\begin{itemize}
+ \item \texttt{#1}}{\end{itemize}}
+\newenvironment{errlist}{\begin{itemize}}{\end{itemize}}