DTLS_SET_TIMER_CB(3ossl)

🌸 NAME 🌸

okay so bestie, welcome to DTLS_SET_TIMER_CB(3ossl) — the OpenSSL manual page for DTLS_timer_cb and DTLS_set_timer_cb, aka the callback that controls your DTLS timer duration. 💅✨

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🎀 SYNOPSIS 🎀

#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);

That’s the whole include + typedef + setter situation, no cap. 🫶

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🦋 DESCRIPTION 🦋

DTLS_set_timer_cb() sets an optional callback function for controlling the timeout interval on the DTLS protocol. 🕰️✨

The callback function gets called by DTLS for every new DTLS packet that is sent — every single one, bestie. 💖

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⭐ RETURN VALUES ⭐

Returns void.

That’s it. Literally nothing comes back — it’s giving void, periodt. 💀

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🌈 HISTORY 🌈

DTLS_set_timer_cb() was added in OpenSSL 1.1.1. iconic behavior from way back. 👑

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💜 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 <https://www.openssl.org/source/license.html>.

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💖 that’s the whole page, bestie — from OpenSSL 3.5.0, dated 2026-09-25, on manual name DTLS_SET_TIMER_CB(3ossl). bye slay 🫶🌸