INT 21 - OS/2 v1.1+ Compatibility Box Family API - DosQPathInfo
        AX = 5702h
        BX = FFFFh
        CX = size of buffer for information
        DX = level of information (0002h)
        DS:SI -> filename
        ES:DI -> buffer for information (see below)
Return: CF clear if successful
            AL = 00h
        CF set on error
            AX = error code
SeeAlso: AX=5702h"OS/2",AX=5703h/BX=FFFFh

Format of path information:
Offset  Size    Description
 00h 22 BYTEs   ???
 16h    DWORD   extended attribute size (none present if less than 5)

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