Metadatacopyunion _HEAP_LFH_SUBSEGMENT_UCHAR_FIELDS { struct { unsigned char PrivateFormat : 1;/* 0x0:0 1 */ unsigned char Spare1 : 7;/* 0x0:1 1 */ };/* 0x0 1 */ unsigned char AllUCharBits;/* 0x0 1 */};