INT 2fH b704H: Get APPEND.EXE Path String

                                                         Compatibility: 5.0+ 
 Expects: AX    b704H
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 Returns: ES:DI Address of the ASCIIZ▲ "data search path"
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    Info: This returns the address of the APPEND search path.  It is in a
          form similar to the DOS command search path (maintained by the
          Path command).

          The APPEND path is a series of directory names, separated by
          semi-colons (;) and ending with a byte of 00H; for instance:

            c:\mydata;d:\data\old;d:\utils\config\ini0

    Note: A quick check shows that this returns the address of a buffer
          that appears be at least 128 bytes long.  Thus, it may be
          possible to add directories to the append path by modifying this
          buffer.

See Also: INT 2fH b7xxH: APPEND.EXE Functions
          INT 2fH: Multiplex Interrupt
          DOS Functions
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