Int 21 Fn E3  - Novell Netware - Message Services - Log Network Message    [N]

   AH = E3h subfn 0Dh
   DS:SI -> request buffer (see below)
   ES:DI -> reply buffer (see below)

Return: AL = status
       00h successful
Desc:  append a line to the default file server's NET$LOG.MSG file

Note:  this function is supported by NetWare 4.0+, Advanced NetWare 1.0+, and
     Alloy NTNX

See Also: AH=E1h/SF=09h

Format of request buffer:
Offset Size    Description
 00h   WORD    length of following data (max 52h)
 02h   BYTE    0Dh (subfunction "Log Network Message")
 03h   BYTE    length of message (01h-50h)
 04h  N BYTEs  message (no control characters or characters > 7Eh)