ioctl.h File Reference

Declares device controlling operations. More...

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Functions
int	sys_ioctl (int fd, int request, void *data)
	Manipulates the underlying device parameters of special files, or operating characteristics of character special files (e.g., terminals). More...

Detailed Description

Declares device controlling operations.

Copyright

(c) 2014-2024 This file is distributed under the MIT License. See LICENSE.md for details.

Function Documentation

sys_ioctl()

int sys_ioctl	(	int	fd,
		int	request,
		void *	data
	)

Manipulates the underlying device parameters of special files, or operating characteristics of character special files (e.g., terminals).

Parameters

fd	Must be an open file descriptor.
request	The device-dependent request code
data	An untyped pointer to memory.

Returns

On success zero is returned.