The Find service locates a specified record in a file and returns
    its record file address in the RAB$W_RFA field of the RAB. The
    Find service can be used with all file organizations.

                         RAB64 USERS (ALPHA ONLY)

       On Alpha systems, RAB64 can replace the RAB or RAB prefix
       wherever it is used with the Find service on OpenVMS Alpha
       systems.

    Format

      SYS$FIND  rab [,[err] [,suc]]