@MkDir, @RmDir, and @ChDir Macros - Assembly Language Help

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@MkDir, @RmDir, and @ChDir Macros

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  Include:   DOS.INC
 
  Syntax:    @MkDir path [,segment]
 
             @RmDir path [,segment]
 
             @ChDir path [,segment]
 
  Summary:   Creates, deletes, or changes to the specified directory
 
  Arguments: <path>        Offset of ASCIIZ string containing
                           directory. Must be offset address.
 
             <segment>     Segment of path; DS if none given.
 
  Returns:   If carry: set, error code in AX
 
  Modifies:  AX, DX; DS if segment changed
 
  See also:  Int 21h Functions 39h, 3Ah, and 3Bh, @GetDir
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