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1 | =pod |
2 | ||
3 | =head1 NAME | |
4 | ||
e117a890 | 5 | BIO_f_null - null filter |
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6 | |
7 | =head1 SYNOPSIS | |
8 | ||
9 | #include <openssl/bio.h> | |
10 | ||
e9b77246 | 11 | const BIO_METHOD *BIO_f_null(void); |
5fd0cd9a DSH |
12 | |
13 | =head1 DESCRIPTION | |
14 | ||
15 | BIO_f_null() returns the null filter BIO method. This is a filter BIO | |
16 | that does nothing. | |
17 | ||
18 | All requests to a null filter BIO are passed through to the next BIO in | |
19 | the chain: this means that a BIO chain containing a null filter BIO | |
20 | behaves just as though the BIO was not there. | |
21 | ||
22 | =head1 NOTES | |
23 | ||
24 | As may be apparent a null filter BIO is not particularly useful. | |
25 | ||
26 | =head1 RETURN VALUES | |
27 | ||
28 | BIO_f_null() returns the null filter BIO method. | |
29 | ||
e2f92610 RS |
30 | =head1 COPYRIGHT |
31 | ||
32 | Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. | |
33 | ||
4746f25a | 34 | Licensed under the Apache License 2.0 (the "License"). You may not use |
e2f92610 RS |
35 | this file except in compliance with the License. You can obtain a copy |
36 | in the file LICENSE in the source distribution or at | |
37 | L<https://www.openssl.org/source/license.html>. | |
38 | ||
39 | =cut |