Intrinsic-75 TrapC

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75: TrapC(boolean);

 

This intrinsic turns control-C trapping on and off. "True" is passed to turn on control-C trapping, which prevents the control-C and control-Break keys from aborting a program. Control-C trapping is normally off. Any change to the way control-C and control-Break are handled is restored when a program terminates.