spk_set_num_var
spk_set_num_var(synth_default_value[idx],
spk_set_num_var(0, param, E_DEFAULT);
ret = spk_set_num_var(value, param, len);
if (spk_set_num_var(1, p_header, how) != 0)
int spk_set_num_var(int val, struct st_var_header *var, int how);
spk_set_num_var(var_data->u.n.value, punc_level_var, E_SET);
spk_set_num_var(0, p_header, E_DEFAULT);
EXPORT_SYMBOL_GPL(spk_set_num_var);