Int 21 Fn 5F4A  u - LAN Manager Enhanced DOS - Local Netremotecopy         [N]

   AX = 5F4Ah
   DS:DX -> NetRemoteCopy parameter structure

Return: CF clear if successful
   CF set on error
       AX = error code

See Also: AX=5F4Bh

Format of NetRemoteCopy parameter structure:
Offset Size    Description
 00h   DWORD   -> source name as UNC
 04h   DWORD   -> destination name as UNC
 08h   DWORD   -> source password
 0Ch   DWORD   -> destination password
 10h   WORD    destination open bitmap
       if destination path exists
           0000h open fails
           0001h file is appended
           0002h file is overwritten
       if destination path doesn't exist
           0000h open fails
           0010h file is created
 12h   WORD    copy control bitmap (see below)
 14h   DWORD   -> copy_info buffer
 18h   WORD    length of copy_info buffer

Bitfields for copy control:
 bit 0 destination must be a file
 bit 1 destination must be a directory
 bit 2 destination is opened in ascii mode instead of binary
 bit 3 source is opened in ascii mode instead of binary
 bit 4 verify all write operations