Int 61 Fn 0004  - Banyan Vines - Logout From Vines                         [N]

   AX = 0004h subfn 000Ch
   DS:DX -> request block (see #3086)

Return: AX = status 0000h (see #3071)
Desc:  Terminates a running VINES session and clears all session specific
     buffers

See Also: AX=0004h/SF=0008h

Format of VINES Function 0004h/Subfunction 000Ch request block:
Offset Size    Description (Table 3086)
 00h   WORD    000Ch