SSL_get_rbio, SSL_get_wbio - get BIO linked to an SSL object
#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.
SSL_get_rbio()
SSL_get_wbio()
The following return values can occur:
No BIO was connected to the SSL object
The BIO linked to ssl.
SSL_set_bio(3), ssl(3) , bio(3)