How to open harddisk for reading??

Discussion in 'Mac Programming' started by penpavan, Nov 21, 2005.

  1. penpavan macrumors newbie

    Nov 17, 2005
    Hi All,

    I want to know how to open the disk for reading raw data. I know similar problem was faced by naveen. Kindly help... My harddisk is at /dev/disk0s3.
    When I try to open it using : open("/dev/disk0s3",O_RDONLY); it says errno=9 that is bad file descriptor.

    I have root previlege but still not able to open...with all read permissions..
    but when i say diskutil info /dev/disk0s3 it says Read Only: No.....

    PLz help...


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