API to get BIGNUM member "top" in openssl 3.0

[Billy Brumley]

>            In our application we are accessing BIGNUM member top as bn->top. Now we are trying
>
>            to migrate to OPENSSL 3.0. I am unable to find API to access this member.
>
>            Please let me know if there is any get API to get the “top” member of BIGNUM.

Since the structure is opaque, I can't imagine _really_ needing access
to ->top since that is a BIGNUM-internal concept.

Can you give a MWE for what you are trying to achieve?

Cheers,

BBB