SSL_get_rbio.3ossl - Man Page

 #include <openssl/ssl.h>

 BIO *SSL_get_rbio(SSL *ssl);
 BIO *SSL_get_wbio(SSL *ssl);

SSL_get_rbio() and SSL_get_wbio() return pointers to the BIOs for the read or the write channel, which can be different. The reference count of the BIO is not incremented.

The following return values can occur:

NULL

No BIO was connected to the SSL object

Any other pointer

The BIO linked to ssl.

SSL_set_bio(3), ssl(7) , bio(7)

Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the "License").  You may not use this file except in compliance with the License.  You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.

SSL_set_bio.3ossl(3).

The man page SSL_get_wbio.3ossl(3) is an alias of SSL_get_rbio.3ossl(3).