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=pod
=head1 NAME
SSL_set_bio, SSL_set_rbio, SSL_set_wbio - connect the SSL object with a BIO
=head1 SYNOPSIS
#include <openssl/ssl.h>
void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio);
=head1 DESCRIPTION
SSL_set_bio() connects the BIOs B<rbio> and B<wbio> for the read and write
operations of the TLS/SSL (encrypted) side of B<ssl>.
The SSL engine inherits the behaviour of B<rbio> and B<wbio>, respectively.
If a BIO is non-blocking, the B<ssl> will also have non-blocking behaviour.
If there was already a BIO connected to B<ssl>, BIO_free() will be called
(for both the reading and writing side, if different).
SSL_set_rbio() does the same job as SSL_set_bio() except that it enables you
to only connect the read bio, without touching the write bio. Similarly
SSL_set_wbio() enables you to connect the write bio without touching the read
bio.
=head1 RETURN VALUES
SSL_set_bio(), SSL_set_rbio() and SSL_set_wbio() cannot fail.
=head1 SEE ALSO
L<SSL_get_rbio(3)|SSL_get_rbio(3)>,
L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>,
L<SSL_shutdown(3)|SSL_shutdown(3)>, L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>
=head1 HISTORY
SSL_set_rbio() and SSL_set_wbio() were added in OpenSSL 1.1.0.
=cut
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