Man pages matching name hsearch in section 3:

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