returncode

noun
UK /rɪˈtɜːn kəʊd/
US /rɪˈtɝːn koʊd/

A return code is a number a computer gives back to tell you if something worked or not.

The program printed a return code of zero, which means it finished without any errors.


OTHER MEANINGS

2. A code used to send an item back to a seller or company.

Write the return code on the box so the shop knows the package is coming back.

3. A secret code used to get back into an account or device.

He forgot his return code and could not log back in.

4. In programming, the value a function hands back to the code that called it.

The function's return code told the caller that the file was missing.