DEVICE_FIND_CHILD(9)   FreeBSD 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.

FreeBSD 13.1-RELEASE-p6        February 8, 2005        FreeBSD 13.1-RELEASE-p6