pub unsafe extern "C" fn PhidgetHub_getPortMaxSpeed(
ch: PhidgetHubHandle,
port: c_int,
state: *mut u32,
) -> PhidgetReturnCodepub unsafe extern "C" fn PhidgetHub_getPortMaxSpeed(
ch: PhidgetHubHandle,
port: c_int,
state: *mut u32,
) -> PhidgetReturnCode