NETR_FLG_VALID
netr_info->flags |= NETR_FLG_VALID;
if ((netr_global_info.flags & NETR_FLG_VALID) == 0 ||
netr_global_info.flags |= NETR_FLG_VALID;
netr_info->flags |= NETR_FLG_VALID;
if ((netr_info->flags & NETR_FLG_VALID) == 0)
netr_info->flags &= ~NETR_FLG_VALID;