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AH = 47h DL = drive number (00h = default, 01h = A:, etc) DS:SI -> 64-byte buffer for ASCIZ pathname
Return:
CF clear if successful AX = 0100h (undocumented) CF set on error AX = error code (0Fh) (see #01680 at AH=59h/BX=0000h)
Notes: The returned path does not include a drive or the initial backslash. Many Microsoft products for Windows rely on AX being 0100h on success. Under the FlashTek X-32 DOS extender, the buffer pointer is in DS:ESI
See Also: AH=19h - AH=3Bh - AH=71h - INT 15/AX=DE25h
Category: DOS Kernel - Int 21h - D
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