gtpi1m4lSystem Installation Support Reference

Select TCP/IP Support

The select TCP/IP support user exit, USOK, allows you to select either TCP/IP offload support or TCP/IP native stack support for a given socket.

USOK is called only when all of the following conditions are true:

USOK is called in segment C536.

Input

applname
A character string pointer to the name of the application that issued the socket function.

Programming Considerations

Return Values

USOK returns one of the following values:

0
Use TCP/IP offload support.

1
Use TCP/IP native stack support.