plgdidev: Get parameters that define current device-space window

The PLplot Plotting Library: Programmer's Reference Manual
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### `plgdidev`: Get parameters that define current device-space window

`plgdidev` (p_mar, p_aspect, p_jx, p_jy);

Get relative margin width, aspect ratio, and relative justification that define current device-space window. If `plsdidev` has not been called the default values pointed to by ``p_mar``, ``p_aspect``, ``p_jx``, and ``p_jy`` will all be 0.

`p_mar` (`PLFLT *`, output) Pointer to relative margin width. `p_aspect` (`PLFLT *`, output) Pointer to aspect ratio. `p_jx` (`PLFLT *`, output) Pointer to relative justification in x. `p_jy` (`PLFLT *`, output) Pointer to relative justification in y.

Redacted form: `plgdidev(p_mar, p_aspect, p_jx, p_jy)`

This function is not used in any examples.

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`plgdev`: Get the current device (keyword) name | Up | `plgdiori`: Get plot orientation