SIMPLE SOLUTIONS

DEVICE_FIND_CHILD(9FREEBSD) - man page online | system kernel interfaces

Search for a child of a device.

Chapter
February 8, 2005
DEVICE_FIND_CHILD(9)              BSD 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

device_add_child(9)

AUTHORS

This manual page was written by Doug Rabson.
BSD February 8, 2005 BSD
This manual Reference Other manuals
device_find_child(9freebsd) referred by device(9freebsd) | device_add_child(9freebsd) | device_add_child_ordered(9freebsd)
refer to device_add_child(9freebsd)