Man pages matching name intro in section 3:

intro.3.en	debian 10 / manpages
intro.3.de	debian 10 / manpages-de
intro.3.es	debian 10 / manpages-es
intro.3.it	debian 10 / manpages-it
intro.3.ja	debian 10 / manpages-ja-dev
intro.3.pl	debian 10 / manpages-pl
intro.3.pt	debian 10 / manpages-pt-dev
intro.3.en	debian 11 / manpages
intro.3.de	debian 11 / manpages-de
intro.3.fr	debian 11 / manpages-fr
intro.3.it	debian 11 / manpages-it
intro.3.ja	debian 11 / manpages-ja-dev
intro.3.pl	debian 11 / manpages-pl
intro.3.pt_BR	debian 11 / manpages-pt-br
intro.3.pt	debian 11 / manpages-pt-dev
intro.3.en	debian 12 / manpages
intro.3.de	debian 12 / manpages-de
intro.3.es	debian 12 / manpages-es
intro.3.ja	debian 12 / manpages-ja-dev