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\section{Built-in Module \sectcode{grp}}
\bimodindex{grp}
This module provides access to the \UNIX{} group database.
It is available on all \UNIX{} versions.
Group database entries are reported as 4-tuples containing the
following items from the group database (see \file{<grp.h>}), in order:
\code{gr_name},
\code{gr_passwd},
\code{gr_gid},
\code{gr_mem}.
The gid is an integer, name and password are strings, and the member
list is a list of strings.
(Note that most users are not explicitly listed as members of the
group(s) they are in.)
An exception is raised if the entry asked for cannot be found.
It defines the following items:
\renewcommand{\indexsubitem}{(in module grp)}
\begin{funcdesc}{getgrgid}{gid}
Return the group database entry for the given numeric group ID.
\end{funcdesc}
\begin{funcdesc}{getgrnam}{name}
Return the group database entry for the given group name.
\end{funcdesc}
\begin{funcdesc}{getgrall}{}
Return a list of all available group entries entries, in arbitrary order.
\end{funcdesc}
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