HelenOS sources

USB_PID_OUT        75 uspace/drv/bus/usb/uhci/hw_struct/transfer_descriptor.c 	    (pid == USB_PID_OUT));
USB_PID_OUT       202 uspace/drv/bus/usb/uhci/uhci_batch.c 	[USB_DIRECTION_OUT] = USB_PID_OUT,
USB_PID_OUT       279 uspace/drv/bus/usb/uhci/uhci_batch.c 		[USB_DIRECTION_IN] = USB_PID_OUT,