Int 20  P - Microsoft Windows - Wsock - Vxd Services                       [W]

   VxD = 003Eh

Note:  the desired VxD and service number are identified by the data
     immediately following the INT 20 instruction, as in:
       INT 20h
       DW  service number
       DW  VxD identifier

See Also: INT 2F/AX=1684h"DEVICE API",INT 30"Windows",#0961,#1032

(Table 1001)
Values for WSOCK (VxD ID 003Eh) service number:
 00h   get WSOCK version

   Return: CF clear
       AH = major version
       AL = minor version
       EAX high word = 0000h
 01h   ???
   EAX = ??? or 00000000h

   Return: CF clear if successful
           EAX = 00000000h
       CF set on error
           EAX = ???
 02h   ???
   EAX = ??? or 00000000h

   Return: ???
 03h   ???
 04h   ...last service for Windows95 SP1

See Also: #1000,#1002