Man pages matching name pem_write_bio_pkcs7_stream in section 3ssl:

PEM_write_bio_PKCS7_stream.3ssl.en	debian 10 / libssl-doc
PEM_write_bio_PKCS7_stream.3ssl.en	debian 11 / libssl-doc
PEM_write_bio_PKCS7_stream.3ssl.en	debian 12 / libssl-doc