Recently, my question Looking for books on the C and POSIX standards was closed as "off topic". I don't really agree with that, and feel misunderstood. Reading the FAQ didn't make it clear either.
Can someone clarify? =/
I think users misunderstood your question and thought you were asking for a book list about the subject.
Questions that ask for broad recommendations like that are typically considered Not Constructive for Stack Exchange because it results in a huge list of books on the subject, voted/sorted according to popularity, and that rapidly gets outdated over time.
I've made an edit to your question to try and clarify that you are looking for the standard documentation for C and POSIX standards so you can reference them in your master thesis, and you are not looking for a huge list of books or other resources to learn from.
I've voted to reopen the question, however it still needs 4 more reopen votes from other community members (or 1 moderator vote).
I understand that the OP wasn't looking for a book recommendation, but the question was and still remained
I voted (twice) to close for a couple of reasons: