Int 21 Fn F257  - Novell Netware - Open/create File Or Subdirectory        [N]

   AX = F257h subfn 01h
   CX = length of request buffer in bytes
   DX = length of reply buffer in bytes
   DS:SI -> request buffer (see #2062)
   ES:DI -> reply buffer (see #2063)

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

See Also: AH=F2h"Novell",AX=6C00h,AX=F257h/SF=02h,AX=F257h/SF=04h

Format of NetWare "Open/Create File or Subdirectory" request packet:
Offset Size    Description (Table 2062)
 00h   BYTE    01h (subfunction "Open/Create File or Subdirectory")
 01h   BYTE    name space (see #2075)
 02h   BYTE    open/create mode
 03h   WORD    search attributes
 05h   DWORD   return information mask
 09h   DWORD   create attributes
 0Dh   WORD    desired access rights (see #2065)
 0Fh       NetWare handle/path structure

See Also: #2063

Format of NetWare "Open/Create File or Subdirectory" reply packet:
Offset Size    Description (Table 2063)
 00h   DWORD   file handle
 04h   BYTE    open/create action
       00h open
       01h replace
       03h create
 05h   BYTE    reserved

See Also: #2062

Format of NetWare Handle/Path structure:
Offset Size    Description (Table 2064)
 00h   BYTE    volume number
 01h   DWORD   directory base or short handle
 05h   BYTE    handle flag
       00h short directory handle
       01h directory base
       FFh no handle
 06h   BYTE    path component count
 07h  N BYTEs  path component

Bitfields for NetWare desired access rights:
Bit(s) Description (Table 2065)
 0 read-only mode
 1 write-only
 2 deny read
 3 deny write
 4 compatibility mode
 6 write-through mode

See Also: #2062