def SetStrucIdx(sid, index):
    s = idaapi.get_struc(sid)
    if not s:
        return 0

    return idaapi.set_struc_idx(s, index)
return list of ion names supported in the f0() calculation from
dataset/ETHPy150Open EiNSTeiN-/idapython/python/idc.py/SetStrucIdx--crossover with--dataset/ETHPy150Open xraypy/xraylarch/plugins/xray/xraydb_plugin.py/f0_ions