#[unsafe(no_mangle)]pub unsafe extern "C" fn pamoja_serial_port_kind( port: *const PamojaSerialPort, ) -> u8
Returns what is on the other end of a port.
port
One of the PAMOJA_SERIAL_PORT_ kinds; the looped code for a null port.
PAMOJA_SERIAL_PORT_
port must be a live handle or null.