H2DOPERM_PERMANENT
xop->dopermanent = H2DOPERM_PERMANENT |
xop->dopermanent = H2DOPERM_PERMANENT | H2DOPERM_FORCE;
int dopermanent = xop->dopermanent & H2DOPERM_PERMANENT;
xop->dopermanent = H2DOPERM_PERMANENT |
xop->dopermanent = H2DOPERM_PERMANENT | H2DOPERM_FORCE;
int dopermanent = xop->dopermanent & H2DOPERM_PERMANENT;