MF_ALIASWAIT
if (bitset(MF_ALIASWAIT, map->map_mflags))
map->map_mflags |= MF_ALIASWAIT;
map->map_mflags &= ~MF_ALIASWAIT;
map->map_mflags &= ~MF_ALIASWAIT;
map->map_mflags &= ~MF_ALIASWAIT;