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Question: ioctl(): how to send parameters to *_ioctl() function

Forum: Supporting Functions
Keywords: ioctl
Date: Tue, 14 Oct 1997 17:47:49 GMT
From: Milind Changire <milindc@corelcomputer.com>

The third argument to ioctl() function is a variable argument. What is the correct method to send parameters to a device driver ? How should a device driver retrieve the different parameters ?