Int 21 Fn EF00  - Novell Netware - Workstation - Get Drive Handle Table    [N]

   AX = EF00h

Return: ES:SI -> network shell's 32-byte drive handle table
   AX = 0000h

Notes: this function is supported by Advanced NetWare 1.0+
   each byte in the drive handle table contains the directory handle for
     the corresponding drive, or 00h if not mapped to a directory

See Also: AX=EF01h,AX=EF02h,AX=EF03h,AX=EF04h