Man pages matching name knet_get_transport_id_by_name in section 3:

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