qa.hlp (Table of Contents; Topic list)
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Int 21H Function 3AH
   Summary  Notes  Example  Back
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▀ The function fails if:
  - any element of the pathname does not exist.
  - the specified directory is also the current directory.
  - the specified directory contains any files.
  - [3.0+] the program is running on a network and the user running the
    program has insufficient access rights.
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