ioctl.h File Reference

Go to the source code of this file.

Functions
int	ioctl (int fd, unsigned long request,...)
	Perform device-specific control. More...

Function Documentation

ioctl()

int ioctl	(	int	fd,
		unsigned long	request,
			...
	)

Perform device-specific control.

Parameters

fd	The file descriptor number of the file.
request	The request command to perform.
arg	The argument the request takes, which a request that takes none does not mind being handed.

Return values

int	0 on success and -1 on error, with the reason left in errno.