Man pages matching name i2d_pkcs7_bio_stream in section 3ssl:

i2d_PKCS7_bio_stream.3ssl.en	debian 10 / libssl-doc
i2d_PKCS7_bio_stream.3ssl.en	debian 11 / libssl-doc
i2d_PKCS7_bio_stream.3ssl.en	debian 12 / libssl-doc