Metadatacopystruct _PCI_SLOT_NUMBER { union { struct { unsigned long DeviceNumber : 5;/* 0x0:0 4 */ unsigned long FunctionNumber : 3;/* 0x0:5 4 */ unsigned long Reserved : 24;/* 0x0:8 4 */ } bits;/* 0x0 4 */ unsigned long AsULONG;/* 0x0 4 */ } u;/* 0x0 4 */};