=item AUTHENTICATION CODES, HASH FUNCTIONS
-L<hmac(3)|hmac(3)>, L<md2(3)|md2(3)>, L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>,
-L<ripemd(3)|ripemd(3)>, L<sha(3)|sha(3)>
+L<hmac(3)|hmac(3)>, L<md2(3)|md2(3)>, L<md4(3)|md4(3)>,
+L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>, L<ripemd(3)|ripemd(3)>,
+L<sha(3)|sha(3)>
=item AUXILIARY FUNCTIONS
-L<err(3)|err(3)>, L<rand(3)|rand(3)>
+L<err(3)|err(3)>, L<threads(3)|threads(3)>, L<rand(3)|rand(3)>,
+L<OPENSSL_VERSION_NUMBER(3)|OPENSSL_VERSION_NUMBER(3)>
=item INPUT/OUTPUT, DATA ENCODING
=item INTERNAL FUNCTIONS
L<bn(3)|bn(3)>, L<buffer(3)|buffer(3)>, L<lhash(3)|lhash(3)>,
-L<objects(3)|objects(3)>, L<stack(3)|stack(3)>, L<threads(3)|threads(3)>,
+L<objects(3)|objects(3)>, L<stack(3)|stack(3)>,
L<txt_db(3)|txt_db(3)>
=back