3 ms·

“I don’t know” is not the right answer. I do know. I know the answer to be “Unspecified”.

• scarcelycoher 7y ago
  By that logic, someone who says "the origin of handedness is unknown" contradicts himself, since he does know the origin of handedness to be "unknown".
• thayne 7y ago
  But you _don't_ know what it returns, because the behavior is either undefined or implementation defined, and you don't know the implementation.
  • ben509 7y ago
    But you do know that it's undefined or implementation defined. It's a "known unknown".
    • H8crilA 7y ago
      Look, do you know what will it return or not?
      • saagarjha 7y ago
        Not without knowing the compiler, which I think was the point.
    • Thorrez 7y ago
      Yes, so you knowingly click "I don't know". You don't know the value, and you know that you don't know the value.