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