=pod

=head1 NAME

SSL_SESSION_get_compress_id
- get details about the compression associated with a session

=head1 SYNOPSIS

 #include <openssl/ssl.h>

 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);

=head1 DESCRIPTION

If compression has been negotiated for an ssl session then
SSL_SESSION_get_compress_id() will return the id for the compression method or
0 otherwise. The only built-in supported compression method is zlib which has an
id of 1.

=head1 RETURN VALUES

SSL_SESSION_get_compress_id() returns the id of the compression method or 0 if
none.

=head1 SEE ALSO

L<ssl(7)>

=head1 COPYRIGHT

Copyright 2017 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
L<https://www.openssl.org/source/license.html>.

=cut