Int 21 Fn F3  - Novell Netware - File Services - File Server File Copy     [N]

   AH = F3h
   ES:DI -> request buffer (see below)

Return: AL = status/error code
   CX:DX = number of bytes copied

Notes: this function is supported by Advanced NetWare 2.0+
   both source and destination must be on the same file server

See Also: AH=3Ch,AH=3Fh

Format of request buffer:
Offset Size    Description
 00h   WORD    source file handle (as returned by AH=3Ch or AH=3Dh)
 02h   WORD    destination file handle
 04h   DWORD   starting offset in source
 08h   DWORD   starting offset in destination
 0Ch   DWORD   number of bytes to copy