Belkin F8E211 Betriebsanweisung PDF herunterladen (Seite 82)

usbd

select

Select the interface for a USB device

Synopsis:

#include <sys/usbdi.h>

int usbd_select_interface( struct usbd_device *device,

_uint8 ifc,

_uint8 alt );

Arguments:

device An opaque handle used to identify the USB device.

ifc Interface identiﬁer (

bInterfaceNumber).

alt Alternate identiﬁer (

bAlternateSetting).

Library:

libusbdi

Description:

You use the usbd

select

interface() function to select the interface for a USB device.

Returns:

EOK Success.

ENOMEM No memory for URB.

ENODEV Device was removed.

Classiﬁcation:

QNX Neutrino, QNX 4

Safety

Cancellation point Yes

Interrupt handler No

Signal handler No

Thread Yes

68 Chapter 4 • USB Library Reference September 10, 2007

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Belkin F8E211 Betriebsanweisung Seite 82