Function C_DecryptMessageNext 

pub unsafe extern "C" fn C_DecryptMessageNext(
    hSession: CK_SESSION_HANDLE,
    pParameter: CK_VOID_PTR,
    ulParameterLen: CK_ULONG,
    pCiphertextPart: CK_BYTE_PTR,
    ulCiphertextPartLen: CK_ULONG,
    pPlaintextPart: CK_BYTE_PTR,
    pulPlaintextPartLen: CK_ULONG_PTR,
    flags: CK_FLAGS,
) -> CK_RV