Man pages matching name shishi_kdcreq_set_cname in section 3:

shishi_kdcreq_set_cname.3.en	debian 10 / shishi-doc
shishi_kdcreq_set_cname.3.en	debian 11 / shishi-doc
shishi_kdcreq_set_cname.3.en	debian 12 / shishi-doc