plexit: Error exit

The PLplot Plotting Library: Programmer's Reference Manual
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### `plexit`: Error exit

`plexit` (message);

This routine is called in case an error is encountered during execution of a PLplot routine. It prints the error message, tries to release allocated resources, calls the handler prvided by `plsexit` and then exits. If cleanup needs to be done in the driver program then the user may want to supply his/her own exit handler and pass it in via `plsexit`. This function should either call `plend` before exiting, or simply return.

`message` (`char *`, input) Error message.

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