Answer 1

Well, I guess how data is read or write depends on how you design the structure. One need to get familiar with the members' names and types to be able to read or write data into and/or from it, correctly.

Why didn't you share your code? maybe you'll get better chance for answer if you just share the code for a review.

Follow this guide just in case you didn't know how to share links 👍

https://www.sololearn.com/post/74857/?ref=app