Int 61 Fn 0001  - Banyan Vines - "sosend" - Initiate Output Event          [N]

   AX = 0001h subfn 0002h
   DS:DX -> communications control block (function 0002h) (see #3000)

Return: AX = status (0000h-0002h,0097h,009Bh-009Dh,00A2h,00A3h,00B1h)
       (see #2996)
Range: INT 60h to INT 66h

Note:  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=0005h

Format of VINES control block for subfunction 0002h:
Offset Size    Description (Table 3000)
 00h   WORD    0002h
 02h   WORD    pointer to argument block (see #3001)
 04h   WORD    error return code (0000h,0097h,00A2h,00A3h,00A5h,00A6h,00B1h)
       (see #2996)
 06h  4 BYTEs  reserved

See Also: #3005

Format of VINES argument block for subfunction 0002h:
Offset Size    Description (Table 3001)
 00h   WORD    routine metric
 02h   WORD    error return code
 04h   WORD    socket identifier
 06h   WORD    pointer to send buffer (see #3003)
 08h   WORD    length of send buffer
 0Ah   WORD    message request flags (see #3002)
 0Ch 16 BYTEs  socket address (see #3004)
 1Ch   WORD    timeout value in multiples of 200ms
 1Eh   WORD    connection identifier
 20h   WORD    type of request
       0001h send message
       0002h establish a virtual connection
       0003h terminate a virtual connection

See Also: #3000,#3006

Bitfields for message request flags:
Bit(s) Description (Table 3002)
 0 async request
 1 reliable message
 2 flush receive buffer on overflow
 3 end of user message received
 4 vectored request (if set, send buffer contains buffer descriptors)
 5 connection-specific receive
 6 change to connection-specific receive mode

See Also: #3001,#3006

Format of buffer descriptor:
Offset Size    Description (Table 3003)
 00h   WORD    data segment
 02h   WORD    buffer pointer
 04h   WORD    buffer length
 06h   WORD    character count

See Also: #3001

Format of VINES socket address for unreliable datagrams:
Offset Size    Description (Table 3004)
 00h   WORD    0003h     address family
 02h   DWORD   FFFFFFFFh network number
 06h   WORD    FFFFh     subnet number
 08h   WORD          local port number
 0Ah   BYTE    00h-0Fh   hop count
 0Bh  5 BYTEs  0000h     filler

See Also: #2999