Man pages matching name shmdt in section 2:

shmdt.2.de	debian 10 / manpages-de-dev
shmdt.2.en	debian 10 / manpages-dev
shmdt.2.es	debian 10 / manpages-es
shmdt.2.ja	debian 10 / manpages-ja-dev
shmdt.2.pl	debian 10 / manpages-pl-dev
shmdt.2.de	debian 11 / manpages-de-dev
shmdt.2.en	debian 11 / manpages-dev
shmdt.2.ja	debian 11 / manpages-ja-dev
shmdt.2.de	debian 12 / manpages-de-dev
shmdt.2.en	debian 12 / manpages-dev
shmdt.2.fr	debian 12 / manpages-fr-dev
shmdt.2.ja	debian 12 / manpages-ja-dev