usbf_free_buffer  145 dev/usb/usbf.h void		 usbf_free_buffer(usbf_xfer_handle);
usbf_free_buffer  824 dev/usb/usbf_subr.c 		usbf_free_buffer(xfer);
usbf_free_buffer  966 dev/usb/usbf_subr.c 			usbf_free_buffer(xfer);