SSL_CTX_has_client_custom_ext(category31-clients.html) - phpMan

SSL_CTX_HAS_CLIENT_CUSTOM_EXT(3)    OpenSSL   SSL_CTX_HAS_CLIENT_CUSTOM_EXT(3)
NAME
       SSL_CTX_has_client_custom_ext - check whether a handler exists for a
       particular client extension type
SYNOPSIS
        #include <openssl/ssl.h>
        int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type);
DESCRIPTION
       SSL_CTX_has_client_custom_ext() checks whether a handler has been set
       for a client extension of type ext_type using
       SSL_CTX_add_client_custom_ext().
RETURN VALUES
       Returns 1 if a handler has been set, 0 otherwise.
SEE ALSO
       ssl(7), SSL_CTX_add_client_custom_ext(3)
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>;.
1.1.1k                            2021-03-25  SSL_CTX_HAS_CLIENT_CUSTOM_EXT(3)