Int 21 Fn F257  - Novell Netware - Modify File Or Subdirectory Dos Inform  [N]

   AX = F257h subfn 07h
   CX = length of request packet in bytes
   DX = 0000h (no reply packet)
   DS:SI -> request packet (see #2077)
   ES:DI ignored

Return: AX = status (see #2546 at INT 2F/AX=7A20h/BX=0000h)

See Also: AH=F2h"Novell",AX=F257h/SF=04h,AX=F257h/SF=08h

Format of NetWare "Modify File or Subdirectory DOS Information" request packet:
Offset Size    Description (Table 2077)
 00h   BYTE    07h (subfunction "Modify File or Subdirectory DOS Information")
 01h   BYTE    name space (see #2075)
 02h   BYTE    reserved for future use
 03h   WORD    search attributes
 05h   DWORD   modify DOS mask
 09h       Modify DOS information structure