Returns information about one or more processes on the system or
    across the OpenVMS Cluster system.

    The $GETJPI service completes asynchronously. For synchronous
    completion, use the Get Job/Process Information and Wait
    ($GETJPIW) service.

    On Alpha and Integrity server systems, this service accepts 64-
    bit addresses.

    Format

      SYS$GETJPI  [efn] ,[pidadr] ,[prcnam] ,itmlst ,[iosb] ,[astadr]

                  ,[astprm]

    C Prototype

      int sys$getjpi  (unsigned int efn, unsigned int *pidadr, void

                      *prcnam, void *itmlst, struct _iosb *iosb, void

                      (*astadr)(__unknown_params), unsigned __int64

                      astprm);