=head1 RETURN VALUES
BN_mod_inverse() returns the B<BIGNUM> containing the inverse, and
-NULL on error. The error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
+NULL on error. The error codes can be obtained by L<ERR_get_error(3)>.
=head1 SEE ALSO
-L<bn(3)|bn(3)>, L<ERR_get_error(3)|ERR_get_error(3)>, L<BN_add(3)|BN_add(3)>
+L<bn(3)>, L<ERR_get_error(3)>, L<BN_add(3)>
-=head1 HISTORY
+=head1 COPYRIGHT
-BN_mod_inverse() is available in all versions of SSLeay and OpenSSL.
+Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the OpenSSL license (the "License"). You may not use
+this file except in compliance with the License. You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
=cut