Man pages matching name getnetgrent in section 3:

getnetgrent.3.en	debian 10 / manpages-dev
getnetgrent.3.ja	debian 10 / manpages-ja-dev
getnetgrent.3.en	debian 11 / manpages-dev
getnetgrent.3.ja	debian 11 / manpages-ja-dev
getnetgrent.3.en	debian 12 / manpages-dev
getnetgrent.3.ja	debian 12 / manpages-ja-dev
getnetgrent.3.ru	debian 12 / manpages-ru-dev