usb_endpoint_dir_in 733 include/linux/usb.h return (usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd)); usb_endpoint_dir_in 759 include/linux/usb.h return (usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd)); usb_endpoint_dir_in 785 include/linux/usb.h return (usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd));