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 of
dev
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¶
AUTHORS¶
This manual page was written by Doug Rabson.
February 8, 2005 | Debian |