API0001I hh:mm:ss.ttt Before call IP03 starting call in [002] environment. Function code: [003] Task area: [004] [005]
[003] is described in SC31-8788 z/OS Communications Server IP Sockets Application Programming Interface Guide and Reference.
[004] is the address of the task area.
[005] is global (if [002] is server), otherwise local (if [002] is client)