PK_ERROR_code_t     PK_PART_rectify_identifiers
(
--- received arguments ---
PK_PART_t           part,       --- part to receive message

--- returned arguments ---
int          *const n_entities, --- number of entities with changed idents
PK_ENTITY_t **const entities,   --- entities with changed idents
int         **const old_idents, --- old idents of entities
int         **const new_idents  --- new idents of entities
)


This function ensures that a part has no duplicate or invalid identifiers.


Any entities found to have invalid or duplicate identifiers:

 - are returned in entities
 - have the old incorrect identifier returned in old_idents
 - have a new valid identifier assigned to them which is returned in
   new_idents.