table of contents
DEVICE_FIND_CHILD(9) | Kernel Developer's Manual | DEVICE_FIND_CHILD(9) |
NAME¶
device_find_child
—
search for a child of a device
SYNOPSIS¶
#include <sys/param.h>
#include <sys/bus.h>
device_t
device_find_child
(device_t
dev, const char
*classname, int
unit);
DESCRIPTION¶
This function looks for a specific child ofdev
with the
given classname and unit. If
unit is -1, it returns the first child of
dev with a matching classname
(that is, the one with the lowest unit).
RETURN VALUES¶
If it exists, the child device is returned, otherwise NULL.SEE ALSO¶
device_add_child(9)AUTHORS¶
This manual page was written by Doug Rabson.February 8, 2005 | Linux 4.19.0-10-amd64 |