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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_free(void);
void CONF_modules_finish(void);
void CONF_modules_unload(int all);
=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 applications will only call CONF_modules_free() at application to
tidy up any configuration performed.
=head1 RETURN VALUE
None of the functions return a value.
=head1 SEE ALSO
L<conf(5)|conf(5)>, L<OPENSSL_config(3)|OPENSSL_config(3)>,
L<CONF_modules_load_file(3)|CONF_modules_load_file(3)>
=head1 HISTORY
CONF_modules_free(), CONF_modules_unload(), and CONF_modules_finish()
first appeared in OpenSSL 0.9.7.
=cut
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