Function cppconnect6::cppbind::ffi_test::test_echo_raw_path

#[no_mangle]
pub extern "C" fn test_echo_raw_path(
    turn: CInt, 
    board_ptr: *mut CInt, 
    row: CInt, 
    col: CInt
) -> RawPath

Get path info from C++ and return repackaged one.