static PyObject *sendPacket(PyObject *self, PyObject *args)
{
    packetbuf p(MAXTRANS,0);

    for(Py_ssize_t i=0;i<PyTuple_Size(args);i++)
    {
        int data=PyInt_AsLong(PyTuple_GetItem(args,i));
        std::cout<<data<<" ";
        putint(p, data);
    }
    std::cout<<"\n";
    sendpacket(-1, 1, p.finalize(), -1);
}

Output:
40 432 1224 504 1 1 1 8 5 0 2 0 2 1 -1 1 0 <<<<This is fine
Segmentation fault