MDF_SUPP_ALLOW
#define MDF_SUPP_MASK (MDF_SUPP_ALLOW | MDF_SUPP_MUST | MDF_SUPP_DONT)
case MDF_SUPP_ALLOW:
case MDF_SUPP_ALLOW:
if ((res & MDF_SUPP_ALLOW) != 0 && (res & MDF_SUPP_MUST) != 0)
res &= ~MDF_SUPP_ALLOW;
*flags |= MDF_SUPP_ALLOW;
if ((is.flags & MDF_SUPP_MASK) != MDF_SUPP_ALLOW) {
(is.flags & MDF_SUPP_ALLOW) != 0) {