=pod =head1 NAME DTLS_timer_cb, DTLS_set_timer_cb - Set callback for controlling DTLS timer duration =head1 SYNOPSIS #include typedef unsigned int (*DTLS_timer_cb)(SSL *s, unsigned int timer_us); void DTLS_set_timer_cb(SSL *s, DTLS_timer_cb cb); =head1 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. =head1 RETURN VALUES Returns void. =head1 HISTORY This function was added in OpenSSL 1.1.1 =head1 COPYRIGHT Copyright 2017 The OpenSSL Project Authors. All Rights Reserved. Licensed under the OpenSSL license (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. =cut