## Printer Device Driver

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### OS2_PM_DRV_DEVICENAMES

Returns the device names, descriptions, and data types supported by the specified device driver.

The application can call OS2_PM_DRV_DEVICENAMES with the pdn and pdt parameters set to zero in order to find how much storage is needed for the data buffers. Having allocated the storage, the application then calls the function a second time in order to have the buffers filled with data.