Field              Field  Off Leng         Description
    Name               Type   set

   IEWBPTI                              Binder PARTINIT buffer, Version 3
   PTIH_BUFFER_ID      Char     0   8   Buffer identifier "IEWBPTI"
   PTIH_BUFFER_LENG    Binary   8   4   Length of the buffer,
                                           including the header
   PTIH_VERSION        Binary  12   1   Version identifier
   *** RESERVED ***    Binary  13   3   Reserved, must be zeros
   PTIH_ENTRY_LENG     Binary  16   4   Length of each entry
   PTIH_ENTRY_COUNT    Binary  20   4   Number of entries in the buffer
   *** RESERVED ***    Binary  24   8   Reserved, must be zeros
   PTIH_ENTRY_ORIGIN           32       First PARTINIT entry

   PTI_ENTRY                            PARTINIT entry
   PTI_DATA_LENG       Binary   0   2   Record length
   PTI_DATA_REP        Binary   2   2   Repetition factor
   *** RESERVED ***    Binary   4   2   Reserved, must be zeros
   PTI_DATA_CLASS_LL   Binary   6   2   Class name length
   PTI_DATA_CLASS_PTR  Pointer  8   4   Pointer to class name
   PTI_DATA_NAME_LL    Binary  12   2   Part Initializer name length
   PTI_DATA_NAME_PTR   Pointer 14   4   Pointer to part initializer name
   PTI_DATA_OFFSET     Pointer 18   4   Placement of data within part
   PTI_DATA_BYTE       Undef.  22  var  Beginning of data (the length varies from
                                        1 to a maximum which takes into account 
                                        the combined size of the buffer header, 
                                        the buffer names list area, and the entry 
                                        header; while the actual size for each 
                                        entry will depend on its content, the 
                                        maximum given a single entry 
                                        (PTIH_ENTRY_COUNT = 1) is BYTES-1078 or 
                                        SIZE depending which keyword is used)