Man pages matching name shishi_der2asn1_asreq in section 3:

shishi_der2asn1_asreq.3.en	debian 10 / shishi-doc
shishi_der2asn1_asreq.3.en	debian 11 / shishi-doc
shishi_der2asn1_asreq.3.en	debian 12 / shishi-doc