Man pages matching name wcstombs in section 3:

wcstombs.3.en	debian 10 / manpages-dev
wcstombs.3.es	debian 10 / manpages-es
wcstombs.3.ja	debian 10 / manpages-ja-dev
wcstombs.3.en	debian 11 / manpages-dev
wcstombs.3.es	debian 11 / manpages-es-dev
wcstombs.3.fr	debian 11 / manpages-fr-dev
wcstombs.3.ja	debian 11 / manpages-ja-dev
wcstombs.3.en	debian 12 / manpages-dev
wcstombs.3.es	debian 12 / manpages-es-dev
wcstombs.3.fr	debian 12 / manpages-fr-dev
wcstombs.3.ja	debian 12 / manpages-ja-dev
wcstombs.3.ru	debian 12 / manpages-ru-dev