Man pages matching name knet_host_get_name_by_host_id in section 3:

knet_host_get_name_by_host_id.3.en	debian 10 / libknet-doc
knet_host_get_name_by_host_id.3.en	debian 11 / libknet-doc
knet_host_get_name_by_host_id.3.en	debian 12 / libknet-doc