// usbspec.h

typedef struct _USB_COMMON_DESCRIPTOR {
  UCHAR bLength;
  UCHAR bDescriptorType;
} USB_COMMON_DESCRIPTOR, *PUSB_COMMON_DESCRIPTOR;
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Windows Driver Kit DDI reference (ns-usbspec-_usb_common_descriptor)

_USB_COMMON_DESCRIPTOR structure

Description

The USB_COMMON_DESCRIPTOR structure contains the head of the first descriptor that matches the search criteria in a call to USBD_ParseDescriptors.

Members

`bLength`

Specifies the entire length of the descriptor, not of this structure.

`bDescriptorType`

Specifies the descriptor type code, as assigned by USB, for this descriptor.

USB_COMMON_DESCRIPTOR - NtDoc