PK_ATTDEF_merge_callback_f_t

typedef void    (*PK_ATTDEF_merge_callback_f_t)
(
--- received arguments ---
PK_ENTITY_t       live_entity,       --- the entity that will survive the merge
int               n_live_attribs,    --- number of attribs on 'live_entity'
const PK_ATTRIB_t live_attribs[],    --- attribs on 'live_entity'
PK_ENTITY_t       doomed_entity,     --- the entity that will not survive the
                                     --- merge
int               n_doomed_attribs,  --- number of attribs on 'doomed_entity'
const PK_ATTRIB_t doomed_attribs[]   --- attribs on 'doomed_entity'
);


This is the type of a merge attribute callback function.

Used in:

PK_ATTDEF_callback_fns_t

The function is called as the merge is about to occur.  All 'live_attribs' and
'doomed_attribs' have the attribute definition with which the  attribute
callback function has been associated by PK_ATTDEF_register_cb.