Man pages matching name smokeping_matchers_base in section 3:

Smokeping_matchers_base.3.en	debian 10 / smokeping
Smokeping_matchers_base.3.en	debian 11 / smokeping
Smokeping_matchers_base.3.en	debian 12 / smokeping
Smokeping_matchers_base.3.en	debian 13 / smokeping