=pod

=head1 NAME

SSL_CTX_has_client_custom_ext - check whether a handler exists for a particular
client extension type

=head1 SYNOPSIS

 #include <openssl/ssl.h>

 int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type);

=head1 DESCRIPTION

SSL_CTX_has_client_custom_ext() checks whether a handler has been set for a
client extension of type B<ext_type> using SSL_CTX_add_client_custom_ext().

=head1 RETURN VALUES

Returns 1 if a handler has been set, 0 otherwise.

=head1 SEE ALSO

L<ssl(7)>,
L<SSL_CTX_add_client_custom_ext(3)>

=head1 COPYRIGHT

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

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