The functions and data structures for accessing the system group
database are declared in the header file grp.h.
— Data Type: struct group
The group structure is used to hold information about an entry in
the system group database. It has at least the following members:
char *gr_name
The name of the group.
gid_t gr_gid
The group ID of the group.
char **gr_mem
A vector of pointers to the names of users in the group. Each user name
is a null-terminated string, and the vector itself is terminated by a
null pointer.
Published under the terms of the GNU General Public License
