pub unsafe extern "C" fn KeccakWidth400_Duplexing(
    duplexInstance: *mut KeccakWidth400_DuplexInstance,
    sigmaBegin: *const c_uchar,
    sigmaBeginByteLen: c_uint,
    Z: *mut c_uchar,
    ZByteLen: c_uint,
    delimitedSigmaEnd: c_uchar
) -> c_int