Int 61 Fn 0001  - Banyan Vines - "sosession" - Register Application With   [N]

   AX = 0001h subfn 0008h
   DS:DX -> communications control block (function 0008h)

Return: AX = status
       0000h  successful
       00A2h  no more buffer space available

Note:  Banyan can use any interrupt from 60h through 66h (default 61h).  The
     Banyan interrupt handler is identified by the string "BANV" in the
     four bytes immediately preceding the interrupt handler

See Also: AX=0001h/SF=0001h,AX=0001h/SF=0009h

Format of control block:
Offset Size    Description
 00h   WORD    0008h
 02h   WORD    process type
       0001h transient process
       0002h resident process
 04h   WORD    error return code
 06h  4 BYTEs  reserved