Man pages matching name prctl in section 2:

prctl.2.en	debian 10 / manpages-dev
prctl.2.es	debian 10 / manpages-es
prctl.2.ja	debian 10 / manpages-ja-dev
prctl.2.pt	debian 10 / manpages-pt-dev
prctl.2.en	debian 11 / manpages-dev
prctl.2.fr	debian 11 / manpages-fr-dev
prctl.2.ja	debian 11 / manpages-ja-dev
prctl.2.pt	debian 11 / manpages-pt-dev
prctl.2.en	debian 12 / manpages-dev
prctl.2.fr	debian 12 / manpages-fr-dev
prctl.2.ja	debian 12 / manpages-ja-dev