Int 60 Fn 1C  - Ftp Packet Driver V1.10+ - Extended Func - Fetch Raw Byte  [N]

   AH = 1Ch
   DS:SI -> buffer
   CX = length of buffer
   DX = timeout in clock ticks

Return: CF set on error
       DH = error code (see #2976 at AX=01FFh)
   CF clear if successful
       CX = number of bytes transferred to buffer

See Also: AH=1Ah,AH=1Bh