Int 61 Fn 000F  - Banyan Vines - Send Message On A Socket                  [N]

   AX = 000Fh subfn 0002h
   CX:BX -> request block (see #3118)
   DX = application's data segment (should be = CX)
   ES = DS

Return: AX = status
       0000h successful
       00A5h resource not available
Desc:  send data to a socket identified by its socket handle

Format of request block:
Offset Size    Description (Table 3118)
 00h   WORD    0002h
 02h   WORD    magic number (FEFEh)
 04h   WORD    buffer for return code (set to 0 before calling)
 06h   WORD    reserved (will be set to client DS)
 08h   WORD    reserved (obviously not used; set to 0 before calling)
 0Ah   DWORD   far pointer to parameter block (see #3119)
 0Eh   WORD    process handle (see AX=000Fh/SF=0008h)

Format of parameter block:
Offset Size    Description (Table 3119)
 00h   WORD    buffer for estimated communication cost in 220 msec ticks
 02h   WORD    buffer for return code (set to 0 before calling)
 04h   WORD    socket handle
 06h   DWORD   far pointer to IPC/SPP message buffer
 0Ah   WORD    length of IPC/SPP message buffer
 0Ch   WORD    option flags
       bit 0: asynchronous communication
       bit 1: reliable message
       bit 3: end of message
       bit 4: vectored I/O
 0Eh 16    BYTEs   socket address (IPC port of source)
 1Eh   WORD    not used (set to 0 before calling)
 20h   WORD    SPP connection id (0 for IPC messages)
 22h   WORD    request type (1 = data, 2 = connect SPP, 3 = disconnect SPP)

See Also: #3118