rem: void dump_interface_descriptor(usb_interface_descriptor* intf_des)
add: dump_interface_descriptor(usb_interface_descriptor *intf_des)
context: void dump_interface_descriptor(usb_interface_descriptor* intf_des) {	dprintf("  interface descriptor: %d bytes\n",intf_des->length);	dprintf("    interface_number:  %d\n",intf_des->interface_number);	dprintf("    alternate_setting: %d\n",intf_des->alternate_setting);	dprintf("    num_endpoints:     %d\n",intf_des->num_endpoints);	dprintf("    class/sub/prot:    %d/%d/%d\n",intf_des->interface_class, intf_des->interface_subclass, intf_des->interface_protocol);	dprintf("    interface str:     %d\n",intf_des->interface);}