INT 21 - WORKGRP.SYS - GET ENTRY POINT
        AH = 3Fh
        BX = file handle for device "NET$HLP$"
        CX = 0008h
        DS:DX -> buffer for entry point record (see AX=4402h"WORKGRP.SYS")
Return: CF clear if successful
            AX = number of bytes actually read (0 if at EOF before call)
        CF set on error
            AX = error code (05h,06h) (see AH=59h)
Program: WORKGRP.SYS is the portion of Microsoft's Workgroup Connection which
          permits communication with PCs running Windows for Workgroups or
          LAN Manager
SeeAlso: AX=4402h"WORKGRP.SYS",INT 2F/AX=9400h

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