HelenOS sources

clear_primary_structures  145 uspace/drv/bus/usb/xhci/streams.c 	clear_primary_structures(xhci_ep);
clear_primary_structures  398 uspace/drv/bus/usb/xhci/streams.c 		clear_primary_structures(xhci_ep);
clear_primary_structures  491 uspace/drv/bus/usb/xhci/streams.c 	clear_primary_structures(xhci_ep);
HelenOS homepage, sources at GitHub