## Physical Device Driver Reference

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### CDROMDISK_READLONG (72h) - Read Long

Category:
IOCTL_CDROMDISK (80h)
Function:
CDROMDISK_READLONG (72h)
Description:
Read Long

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    Description
    Parameter Packet Format
    Data Packet Format
    Returns
    Remarks

This function reads 2352 bytes of the specified sectors in the data buffer. The returned sectors include the 12 bytes of sync, 4 bytes of header, 2048 bytes of data, and 288 bytes of EDC/ECC at the end.