Int 21 Fn D7  - Novell Netware - Connection Services - System Logout       [N]

   AH = D7h

Return: AL = error code
Desc:  this function closes the caller's open files, logs it out from all
     file servers, detaches the workstation from all non-default file
     servers, and maps a drive to the default server's SYS:LOGIN directory

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

See Also: AH=D6h,AH=E3h/SF=14h,AH=F1h