Int 21 Fn F257  - Novell Netware - Write Name Space Info                   [N]

   AX = F257h subfn 19h
   CX = length of request packet in bytes
   DX = 0000h (no reply packet)
   DS:SI -> request packet (see #2101)
   ES:DI ignored

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

See Also: AH=F2h"Novell",AX=F257h/SF=17h,AX=F257h/SF=18h

Format of NetWare "Write Name Space Info" request packet:
Offset Size    Description (Table 2101)
 00h   BYTE    19h (subfunction "Write Name Space Info")
 01h   BYTE    source name space (see #2075)
 02h   BYTE    destination name space
 03h   BYTE    volume number
 04h   DWORD   directory entry number
 08h   DWORD   namespace information bitmask
 0Ch 512 BYTEs namespace-specific informatin