libusb_interface_descriptor::extra is only used within OpenOCD.
 
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CodeScopeDevelopment ToolsOpenOCDlibusb_interface_descriptor::extra

libusb_interface_descriptor::extra field

Extra descriptors. If libusb encounters unknown interface descriptors, it will store them here, should you wish to parse them.

Syntax

const unsigned char *extra;

References

LocationReferrerText
libusb.h:773
const unsigned char *extra;
descriptor.c:176clear_interface()
free((void *)ifp->extra);
descriptor.c:236parse_interface()
ifp->extra = NULL;
descriptor.c:290parse_interface()
ifp->extra = extra;

Data Use

Functions writing libusb_interface_descriptor::extra
Functions reading libusb_interface_descriptor::extra
all items filtered out
libusb_interface_descriptor::extra
all items filtered out