Man pages matching name ntp_adjtime in section 3:

ntp_adjtime.3.de	debian 10 / manpages-de-dev
ntp_adjtime.3.en	debian 10 / manpages-dev
ntp_adjtime.3.pl	debian 10 / manpages-pl-dev
ntp_adjtime.3.de	debian 11 / manpages-de-dev
ntp_adjtime.3.en	debian 11 / manpages-dev
ntp_adjtime.3.fr	debian 11 / manpages-fr-dev
ntp_adjtime.3.it	debian 11 / manpages-it-dev
ntp_adjtime.3.de	debian 12 / manpages-de-dev
ntp_adjtime.3.en	debian 12 / manpages-dev
ntp_adjtime.3.fr	debian 12 / manpages-fr-dev
ntp_adjtime.3.it	debian 12 / manpages-it-dev
ntp_adjtime.3.ja	debian 12 / manpages-ja-dev
ntp_adjtime.3.ru	debian 12 / manpages-ru-dev