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NAME

       DTLS_get_data_mtu - Get maximum data payload size

SYNOPSIS

        #include <openssl/ssl.h>

        size_t DTLS_get_data_mtu(const SSL *ssl);

DESCRIPTION

       This function obtains the maximum data payload size for the established DTLS connection
       ssl, based on the DTLS record MTU and the overhead of the DTLS record header, encryption
       and authentication currently in use.

RETURN VALUES

       Returns the maximum data payload size on success, or 0 on failure.

HISTORY

       The DTLS_get_data_mtu() function was added in OpenSSL 1.1.1.

COPYRIGHT

       Copyright 2016 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 <https://www.openssl.org/source/license.html>.