DDJ, December 1995: Examining the Windows 95 Layered File System
by Mark Russinovich and Bryce Cogswell

Listing Four

typedef struct  _DCB_cd_entry {
    PVOID   DCB_cd_io_address;  // addr of request routine
    ULONG   DCB_cd_flags;       // demand bits
    ULONG   DCB_cd_ddb;         // driver's DDB pointer
    ULONG   DCB_cd_next;        // pointer to next cd entry
    USHORT  DCB_cd_expan_off;   // offset of expansion area
    UCHAR   DCB_cd_layer_flags; // flags for layer's use
    UCHAR   DCB_cd_lgn;         // load group number
} DCB_cd_entry, *pDCB_cd_entry;