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  1. @node _dos_unlock, dos
  2. @subheading Syntax
  3.  
  4. @example
  5. #include <io.h>
  6.  
  7. _dos_unlock(int _fd, long _offset, long _length)
  8. @end example
  9.  
  10. @subheading Description
  11.  
  12. Removes an advisory lock to the specified region of the file.
  13.  
  14. @subheading Return Value
  15.  
  16. Zero if the lock was removed, nonzero otherwise.
  17.