usbf_add_interface  176 dev/usb/if_cdcef.c 	err = usbf_add_interface(sc->sc_config, UICLASS_CDC,
usbf_add_interface  116 dev/usb/usbf.h usbf_status	 usbf_add_interface(usbf_config_handle, u_int8_t, u_int8_t,