Man pages matching name timer_settime in section 2:

timer_settime.2.en	debian 10 / manpages-dev
timer_settime.2.en	debian 11 / manpages-dev
timer_settime.2.fr	debian 11 / manpages-fr-dev
timer_settime.2.en	debian 12 / manpages-dev
timer_settime.2.fr	debian 12 / manpages-fr-dev
timer_settime.2.ru	debian 12 / manpages-ru-dev