a new buffer (with the already sent bytes removed) must be started. A partial
write is performed with the size of a message block, which is 16kB.
-=head1 WARNING
+=head1 WARNINGS
When a write function call has to be repeated because L<SSL_get_error(3)>
returned B<SSL_ERROR_WANT_READ> or B<SSL_ERROR_WANT_WRITE>, it must be repeated
=head1 HISTORY
The SSL_write_ex() function was added in OpenSSL 1.1.1.
-The SSL_sendfile() function was added in OpenSSL 3.0.0.
+The SSL_sendfile() function was added in OpenSSL 3.0.
=head1 COPYRIGHT