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=pod
=head1 NAME
CONF_modules_free, CONF_modules_finish, CONF_modules_unload -
OpenSSL configuration cleanup functions
=head1 SYNOPSIS
#include <openssl/conf.h>
void CONF_modules_finish(void);
void CONF_modules_unload(int all);
Deprecated:
#if OPENSSL_API_COMPAT < 0x10100000L
void CONF_modules_free(void)
#endif
=head1 DESCRIPTION
CONF_modules_free() closes down and frees up all memory allocated by all
configuration modules.
CONF_modules_finish() calls each configuration modules B<finish> handler
to free up any configuration that module may have performed.
CONF_modules_unload() finishes and unloads configuration modules. If
B<all> is set to B<0> only modules loaded from DSOs will be unloads. If
B<all> is B<1> all modules, including builtin modules will be unloaded.
=head1 NOTES
Normally in versions of OpenSSL prior to 1.1.0 applications will only call
CONF_modules_free() at application exit to tidy up any configuration performed.
From 1.1.0 CONF_modules_free() is deprecated and no explicit CONF cleanup is
required at all. For more information see L<OPENSSL_init_crypto(3)>.
=head1 RETURN VALUE
None of the functions return a value.
=head1 SEE ALSO
L<conf(5)>, L<OPENSSL_config(3)>,
L<CONF_modules_load_file(3)>
=head1 HISTORY
CONF_modules_free() was deprecated in OpenSSL 1.1.0.
=head1 COPYRIGHT
Copyright 2004-2016 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
L<https://www.openssl.org/source/license.html>.
=cut
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