Man pages matching name tcsendbreak in section 3:

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