Man pages matching name vfork in section 2:

vfork.2.en	debian 10 / manpages-dev
vfork.2.es	debian 10 / manpages-es
vfork.2.it	debian 10 / manpages-it
vfork.2.ja	debian 10 / manpages-ja-dev
vfork.2.en	debian 11 / manpages-dev
vfork.2.fr	debian 11 / manpages-fr-dev
vfork.2.it	debian 11 / manpages-it-dev
vfork.2.ja	debian 11 / manpages-ja-dev
vfork.2.en	debian 12 / manpages-dev
vfork.2.fr	debian 12 / manpages-fr-dev
vfork.2.it	debian 12 / manpages-it-dev
vfork.2.ja	debian 12 / manpages-ja-dev
vfork.2.ru	debian 12 / manpages-ru-dev