bootsec.h

WINDOWS下磁盘根区数据的显示

// structure definitions taken from Microsoft MS-DOS 
// Programmer's Reference, volume 5
typedef struct tagBOOTSECTOR
{
    BYTE bsJump[3];
    BYTE bsOemName[8];
    WORD bsBytePerSec;
    BYTE bsSecPerCluster;
    WORD bsResSectores;
    BYTE bsFAT;
    WORD bsRootDirEnts;
    WORD bsSectors;
    BYTE bsMedia;
    WORD bsFATsecs;
    WORD bsSecPerTrack;
    WORD bsHeads;
    DWORD bsHiddenSecs;
    DWORD bsHugeSectoes;
    BYTE bsDriveNumber;
    BYTE bsReserved;
    BYTE bsBootSig;
    DWORD bsVolumeID; // serial number
    BYTE bsVolumeLabel[11];
    BYTE bsFileSysType[8];

} BOOTSECTOR, FAR *LPBOOTSECTOR;


typedef struct tagDISKIO
{
    DWORD diStartSector;
    WORD  diSectors;
    LPSTR diBuffer;
} DISKIO, NEAR * NPDISKIO;