Man pages matching name shishi_encprivpart_set_user_data in section 3:

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