usb_pipe_ctrl_xfer
if ((rval = usb_pipe_ctrl_xfer(hidp->hid_default_pipe,
if ((status = usb_pipe_ctrl_xfer(pipe, request, USB_FLAGS_NOSLEEP)) !=
return (usb_pipe_ctrl_xfer(pipe_handle, reqp, flags));
rval = usb_pipe_ctrl_xfer(epp->ep_ph, reqp, USB_FLAGS_NOSLEEP);
rval = usb_pipe_ctrl_xfer(pipe_handle, ctrl_req,
int usb_pipe_ctrl_xfer(usb_pipe_handle_t pipe_handle,