> The getgrname(3) man page says:
>
> The getgrnam() function returns a pointer to a structure containing the
> group information from /etc/group for the entry that matches the group
> name name.
The glibc info document says this:
-- Function: struct group * getgrnam (const char *NAME)
This function returns a pointer to a statically-allocated structure
containing information about the group whose group name is NAME.
This structure may be overwritten by subsequent calls to
`getgrnam'.
This is the official documentation for glibc; the manual pages are third-party
stuff and not authoritative. The Single Unix Specification, version 2, from
1997,
agrees (http://www.opengroup.org/onlinepubs/007908799/xsh/getgrnam.html):
The getgrnam() function searches the group database for an entry with a
matching name
The "group database" here does not mean /etc/group only, but includes things
like NIS.
Thus, I think the Linux manual page saying that getgrnam uses /etc/group only
is a bug.
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