MILTER_CONT
while ((mistop = mi_stop()) == MILTER_CONT)
if (mistop != MILTER_CONT)
while (mi_stop() == MILTER_CONT)
if (mi_stop() != MILTER_CONT)
static int MilterStop = MILTER_CONT;
if (mi_stop() != MILTER_CONT)
if (mi_stop() != MILTER_CONT)