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.IX Title "SSL_CTX_HAS_CLIENT_CUSTOM_EXT 3ssl"
.TH SSL_CTX_HAS_CLIENT_CUSTOM_EXT 3ssl 2024-10-23 3.4.0 OpenSSL
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH NAME
SSL_CTX_has_client_custom_ext \- check whether a handler exists for a particular
client extension type
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBSSL_CTX_has_client_custom_ext()\fR checks whether a handler has been set for a
client extension of type \fBext_type\fR using \fBSSL_CTX_add_client_custom_ext()\fR.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
Returns 1 if a handler has been set, 0 otherwise.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBssl\fR\|(7),
\&\fBSSL_CTX_add_client_custom_ext\fR\|(3)
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2016 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>.