X509v3_get_ext_count() returns the extension count.
-X509v3_get_ext() and X509v3_delete_ext() return an B<X509_EXTENSION> pointer
-or B<NULL> if an error occurs.
+X509v3_get_ext(), X509v3_delete_ext() and X509_delete_ext() return an
+B<X509_EXTENSION> pointer or B<NULL> if an error occurs.
X509v3_get_ext_by_NID() X509v3_get_ext_by_OBJ() and
X509v3_get_ext_by_critical() return the an extension index or B<-1> if an
X509v3_add_ext() returns a stack of extensions or B<NULL> on error.
+X509_add_ext() returns 1 on success and 0 on error.
+
=head1 SEE ALSO
L<X509V3_get_d2i(3)>
=head1 COPYRIGHT
-Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
-Licensed under the OpenSSL license (the "License"). You may not use
+Licensed under the Apache License 2.0 (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>.