HTTP client open and send exits: XWBAUTH, XWBOPEN and XWBSNDO

Exits XWBAUTH, XWBOPEN and XWBSNDO are invoked during processing of EXEC CICS WEB CONVERSE, EXEC CICS WEB OPEN, EXEC CICS INVOKE SERVICE, and EXEC CICS WEB SEND commands. They are used in making HTTP client requests from CICS® as an HTTP client, which is a facility provided by CICS Web support.