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34.10 Group Database Functions

Octave's group database functions return information in a structure with the following fields.

name

The user name.

passwd

The encrypted password, if available.

gid

The numeric group id.

mem

The members of the group.

In the descriptions of the following functions, this data structure is referred to as a grp_struct.

Loadable Function: grp_struct = getgrent ()

Return an entry from the group database, opening it if necessary. Once the end of the data has been reached, getgrent returns 0.

Loadable Function: grp_struct = getgrgid (gid).

Return the first entry from the group database with the group ID gid. If the group ID does not exist in the database, getgrgid returns 0.

Loadable Function: grp_struct = getgrnam (name)

Return the first entry from the group database with the group name name. If the group name does not exist in the database, getgrnam returns 0.

Loadable Function: setgrent ()

Return the internal pointer to the beginning of the group database.

Loadable Function: endgrent ()

Close the group database.


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