BN_is_bit_set() returns 1 if the bit is set, 0 otherwise.
All other functions return 1 for success, 0 on error. The error codes
-can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
+can be obtained by L<ERR_get_error(3)>.
=head1 SEE ALSO
-L<bn(3)|bn(3)>, L<BN_num_bytes(3)|BN_num_bytes(3)>, L<BN_add(3)|BN_add(3)>
-
-=head1 HISTORY
-
-BN_set_bit(), BN_clear_bit(), BN_is_bit_set(), BN_mask_bits(),
-BN_lshift(), BN_lshift1(), BN_rshift(), and BN_rshift1() are available
-in all versions of SSLeay and OpenSSL.
+L<bn(3)>, L<BN_num_bytes(3)>, L<BN_add(3)>
=cut