Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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  Include:  <bios.h>
 
  Structure:
 
  struct diskinfo_t
  {
      unsigned drive;      // Drive number
      unsigned head;       // Head number
      unsigned track;      // Track number
      unsigned sector;     // Start sector number
      unsigned nsectors;   // Number of sectors to read, write,
                           //   or compare
      void far *buffer;    // Memory location to write to, read from,
                           //   or compare
  };