set_pipe_policy
status_t (*set_pipe_policy)(const usb_pipe *pipe,
status_t (*set_pipe_policy)(usb_pipe pipe,
set_pipe_policy, // set_pipe_policy
return set_pipe_policy((usb_id)(ssize_t)pipe, maxQueuedPackets, maxBufferDurationMS,
status_t (*set_pipe_policy)(const void *, uint8, uint16, uint16);