DOKK / manpages

Man pages matching name gearman_task_is_known in section 3:

gearman_task_is_known.3.en debian 10 / libgearman-dev
gearman_task_is_known.3.en debian 11 / libgearman-dev
gearman_task_is_known.3.en debian 12 / libgearman-dev