\newcommand{\var}[1]{\texttt{#1}} % variable
\newcommand{\file}[1]{\texttt{#1}} % file name
\newcommand{\link}[1]{\texttt{#1}} % html link
-\newcommand{\type}[1]{\texttt{#1}} % variable type
+\newcommand{\ctyp}[1]{\texttt{#1}} % C standard type
+\newcommand{\type}[1]{%
+\index{#1@{\tt {#1}}}\texttt{#1}%
+} % system type
\newcommand{\param}[1]{\texttt{#1}} % function parameter
\newcommand{\acr}[1]{\textsl{#1}} % acrostic (for pid, suid, etc.)