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=pod
=head1 NAME
SSL_pending - obtain number of readable bytes buffered in an SSL object
=head1 SYNOPSIS
#include <openssl/ssl.h>
int SSL_pending(const SSL *ssl);
=head1 DESCRIPTION
SSL_pending() returns the number of bytes which are available inside
B<ssl> for immediate read.
=head1 NOTES
Data are received in blocks from the peer. Therefore data can be buffered
inside B<ssl> and are ready for immediate retrieval with
L<SSL_read(3)|SSL_read(3)>.
=head1 RETURN VALUES
The number of bytes pending is returned.
=head1 BUGS
SSL_pending() takes into account only bytes from the TLS/SSL record
that is currently being processed (if any). If the B<SSL> object's
I<read_ahead> flag is set, additional protocol bytes may have been
read containing more TLS/SSL records; these are ignored by
SSL_pending().
Up to OpenSSL 0.9.6, SSL_pending() does not check if the record type
of pending data is application data.
=head1 SEE ALSO
L<SSL_read(3)|SSL_read(3)>, L<ssl(3)|ssl(3)>
=cut
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