ata_dev_pair(9) centos man page | unix.com

ATA_DEV_PAIR(9) 						  libata Library						   ATA_DEV_PAIR(9)

NAME
       ata_dev_pair - return other device on cable

SYNOPSIS
       struct ata_device * ata_dev_pair(struct ata_device * adev);

ARGUMENTS
       adev
	   device

DESCRIPTION
       Obtain the other device on the same cable, or if none is present NULL is returned

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							   ATA_DEV_PAIR(9)