View Source: getgrent(3) - Waikato Linux Users Group

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GETGRENT
!!!GETGRENT
NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
FILES
CONFORMING TO
SEE ALSO
----
!!NAME


getgrent, setgrent, endgrent - get group file entry
!!SYNOPSIS


__#include
__
!!DESCRIPTION


The __getgrent()__ function returns a pointer to a
structure containing the group information from
''/etc/group''. The first time it is called it returns
the first entry; thereafter, it returns successive
entries.


The __setgrent()__ function rewinds the file pointer to
the beginning of the ''/etc/group'' file.


The __endgrent()__ function closes the ''/etc/group''
file.


The ''group'' structure is defined in
'''' as follows:


struct group {
char    *gr_name;        /* group name */
char    *gr_passwd;      /* group password */
gid_t   gr_gid;          /* group id */
char    **gr_mem;        /* group members */
};
!!RETURN VALUE


The __getgrent()__ function returns the group information
structure, or NULL if there are no more entries or an error
occurs.
!!ERRORS


__ENOMEM__


Insufficient memory to allocate group information
structure.
!!FILES


''/etc/group''


group database file
!!CONFORMING TO


SVID 3, BSD 4.3
!!SEE ALSO


fgetgrent(3), getgrnam(3),
getgrgid(3)
----

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Last edited on Tuesday, June 4, 2002 12:24:22 am by "perry"

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