Descriptor type. Will have value * \ref libusb_descriptor_type::LIBUSB_DT_BOS LIBUSB_DT_BOS * in this context.
Size of this descriptor (in bytes)
The number of separate device capability descriptors in * the BOS
bNumDeviceCap Device Capability Descriptors
Length of this descriptor and all of its sub descriptors
A structure representing the Binary Device Object Store (BOS) descriptor. This descriptor is documented in section 9.6.2 of the USB 3.0 specification. All multiple-byte fields are represented in host-endian format.