grent(3) - phpMan
endgrent (3) - get group file entry endgrent (3p) - group database entry functions endnetgrent (3) - handle network group entries fgetgrent (3) - get group file entry fgetgrent_r (3) - get group file entry reentrantly getgrent (3) - get group file entry getgrent (3p) - group database entry functions getgrent_r (3) - get group file entry reentrantly getnetgrent (3) - handle network group entries getnetgrent_r (3) - handle network group entries putgrent (3) - write a group database entry to a file setgrent (3) - get group file entry setgrent (3p) - group database entry functions setnetgrent (3) - handle network group entries User::grent (3pm) - by-name interface to Perl's built-in getgr*() functions