Int 17 Fn 0E00  - Dosisode To Wattcp Tsr Interface - Installation Check    [N]

   AX = 0E00h

Return: CX = 1234h if installed
Program: DOSISODE is the ISO developers environment which has been ported to
     DOS and will run with the Waterloo TCP turned into a resident TSR.
     Currently it allows a maximum of 6 open sockets.

Note:  this function is used to check if the interface is loaded

See Also: AX=0300h"DOSISODE",AX=0A00h"DOSISODE"