Man pages matching name ntp_gettime in section 3:

ntp_gettime.3.en	debian 10 / manpages-dev
ntp_gettime.3.en	debian 11 / manpages-dev
ntp_gettime.3.en	debian 12 / manpages-dev
ntp_gettime.3.fr	debian 12 / manpages-fr-dev
ntp_gettime.3.ru	debian 12 / manpages-ru-dev