device_get_children (9)

Leading comments

Copyright (c) 1998 Doug Rabson

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This program is free software.

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modification, are permitted provided that the following conditions
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1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.
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   notice, this list of conditions and the following disclaimer in...

(The comments found at the beginning of the groff file "man9/device_get_children.9freebsd".)

NAME

device_get_children - get a list of devices connected to a device

SYNOPSIS

In sys/param.h In sys/bus.h Ft int Fn device_get_children device_t dev device_t **devlistp int *devcountp

DESCRIPTION

Retrieve a list of all device instances currently connected to dev and return the list in Fa *devlistp and the count in Fa *devcountp . The memory allocated for the list should be freed using Fn free *devlistp M_TEMP . Fa devlistp and Fa devcountp are not changed when an error is returned.

RETURN VALUES

Zero is returned on success, otherwise an appropriate error is returned.

SEE ALSO

devclass(9), device(9)

AUTHORS

This manual page was written by An Doug Rabson .