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.IX Title "DTLS_SET_TIMER_CB 3ssl"
.TH DTLS_SET_TIMER_CB 3ssl 2024-10-23 3.4.0 OpenSSL
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.SH NAME
DTLS_timer_cb,
DTLS_set_timer_cb
\&\- Set callback for controlling DTLS timer duration
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us);
\&
\& void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
This function sets an optional callback function for controlling the
timeout interval on the DTLS protocol. The callback function will be
called by DTLS for every new DTLS packet that is sent.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
Returns void.
.SH HISTORY
.IX Header "HISTORY"
The \fBDTLS_set_timer_cb()\fR function was added in OpenSSL 1.1.1.
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
.PP
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
<https://www.openssl.org/source/license.html>.