usbf_open_pipe    228 dev/usb/if_cdcef.c 	err = usbf_open_pipe(sc->sc_iface,
usbf_open_pipe    230 dev/usb/if_cdcef.c 	    usbf_open_pipe(sc->sc_iface,
usbf_open_pipe    135 dev/usb/usbf.h usbf_status	 usbf_open_pipe(usbf_interface_handle, u_int8_t,