HelenOS sources

USB_HC_CATEGORY   140 uspace/app/usbinfo/list.c 	rc = loc_category_get_id(USB_HC_CATEGORY, &usbhc_cat, 0);
USB_HC_CATEGORY   143 uspace/app/usbinfo/list.c 		    USB_HC_CATEGORY);
USB_HC_CATEGORY   476 uspace/lib/usbhost/src/ddf_helpers.c 	ret = ddf_fun_add_to_category(instance->ctl_fun, USB_HC_CATEGORY);