What seed does random() use if setseed() is not called first?

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From: Carl Sopchak <[email protected]>
To: [email protected]
Subject: What seed does random() use if setseed() is not called first?
Date: Sat, 23 Jul 2022 17:18:40 -0400
Message-ID: <[email protected]> (raw)

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    <p>There is one point about the documentation for random() and
      setseed() that is missing.  What is used to seed random() if
      setseed() isn't called first?  I assume it's something like
      /dev/random or /dev/urandom, but that's just a guess.  Can someone
      please enlighten me?</p>
    <p>Thanks for the help!</p>
    <p>Carl<br>
    </p>
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