Oracle Solaris Modular Debugger Guide Kernel Debugging Modules USB Framework Debugging Support (usba) USB Framework Walkers USB Framework Walkers usba_list_entry Given the address of a usba_list_entry structure, iterate over the chain of such structures. usba_device Walk the global list of usba_device_t structures. usb_pipe_handle Given a usba_device_t address, walk USB pipe handles.