#include <Python.h>

static PyObject *
fib(PyObject *self, PyObject *args)
{
	int a = 0, b = 1, c, n;
	if (!PyArg_ParseTuple(args, "i", &n))
	    return NULL;
	PyObject *list = PyList_New(0);
	while(b < n){
	    PyList_Append(list, PyInt_FromLong(b));
	    c = a+b;
	    a = b;
	    b = c;
	}
	return list;
}

PyMethodDef methods[] = {
    {"fib", fib, METH_VARARGS, "Returns a fibonacci sequence as a list"},
    {NULL, NULL, 0, NULL}
};

PyMODINIT_FUNC 
initfib()
{
    (void) Py_InitModule("fib", methods);   
}