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What do the calls to exit$(...)$ do$?$

urns a value, on$.$

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The exit$(...)$ function temporarily stops the program, and sends the argument to the operating system which uses it for an error code. The operating system restarts the program after fixing the error.

The exit$(...)$ function can be replaced by break statement

The exit$(...)$ function stops the program. The argument is passed to the operating system which uses it for an error code.

The exit$(...)$ function stops the program. The argument is discarded.

The exit$(...)$function is obsolete. There is no longer any such function in the C$++$ libraries.