=pod
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=head1 NAME
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SSL_CTX_ctrl, SSL_CTX_callback_ctrl, SSL_ctrl, SSL_callback_ctrl - internal handling functions for SSL_CTX and SSL objects
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
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long SSL_CTX_callback_ctrl(SSL_CTX *, int cmd, void (*fp)());
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long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
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long SSL_callback_ctrl(SSL *, int cmd, void (*fp)());
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=head1 DESCRIPTION
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The SSL_*_ctrl() family of functions is used to manipulate settings of
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the SSL_CTX and SSL objects. Depending on the command B<cmd> the arguments
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B<larg>, B<parg>, or B<fp> are evaluated. These functions should never
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be called directly. All functionalities needed are made available via
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other functions or macros.
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=head1 RETURN VALUES
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The return values of the SSL*_ctrl() functions depend on the command
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supplied via the B<cmd> parameter.
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=head1 SEE ALSO
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L<ssl(3)|ssl(3)>
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=cut
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