file, the key logging callback should log B<line>, followed by a newline.
B<line> will always be a NULL-terminated string.
+=head1 RETURN VALUES
+
+SSL_CTX_get_keylog_callback() returns a pointer to B<SSL_CTX_keylog_cb_func> or
+NULL if the callback is not set.
=head1 SEE ALSO
-L<ssl(3)>
+L<ssl(7)>
=head1 COPYRIGHT
-Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
-Licensed under the OpenSSL license (the "License"). You may not use
+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
L<https://www.openssl.org/source/license.html>.