Write POD page.

=pod

=head1 NAME

SSL_SESSION_get0_hostname - retrieve the SNI hostname associated with a session

=head1 SYNOPSIS

 #include <openssl/ssl.h>

 const char *SSL_SESSION_get0_hostname(const SSL_SESSSION *s);

=head1 DESCRIPTION

SSL_SESSION_get0_hostname() retrieves the SNI value that was sent by the

client when the session was created, or NULL if no value was sent.

The value returned is a pointer to memory maintained within B<s> and

should not be free'd.

=head1 SEE ALSO

L<ssl(3)>,

L<d2i_SSL_SESSION(3)>,

L<SSL_SESSION_get_time(3)>,

L<SSL_SESSION_free(3)>

=cut