Man pages matching name strcat in section 3:

strcat.3.de	debian 10 / manpages-de-dev
strcat.3.en	debian 10 / manpages-dev
strcat.3.es	debian 10 / manpages-es
strcat.3.ja	debian 10 / manpages-ja-dev
strcat.3.pl	debian 10 / manpages-pl-dev
strcat.3.pt	debian 10 / manpages-pt-dev
strcat.3.de	debian 11 / manpages-de-dev
strcat.3.en	debian 11 / manpages-dev
strcat.3.fr	debian 11 / manpages-fr-dev
strcat.3.ja	debian 11 / manpages-ja-dev
strcat.3.pl	debian 11 / manpages-pl-dev
strcat.3.pt	debian 11 / manpages-pt-dev
strcat.3.de	debian 12 / manpages-de-dev
strcat.3.en	debian 12 / manpages-dev
strcat.3.ja	debian 12 / manpages-ja-dev