PK_ATTDEF_callback_fns_t   

typedef struct PK_ATTDEF_callback_fns_s
    {
    PK_ATTDEF_split_callback_f_t    split_fn;    --- split callback function
    PK_ATTDEF_merge_callback_f_t    merge_fn;    --- merge callback function
    PK_ATTDEF_delete_callback_f_t   delete_fn;   --- delete callback function
    PK_ATTDEF_copy_callback_f_t     copy_fn;     --- copy callback function
    PK_ATTDEF_transmit_callback_f_t transmit_fn; --- transmit callback function
    PK_ATTDEF_receive_callback_f_t  receive_fn;  --- receive callback function
    }
    PK_ATTDEF_callback_fns_t;



This data structure holds pointers to the functions the application wishes to
register with the PK using PK_ATTDEF_register_callbacks or
PK_ATTDEF_register_cb. Any of these may be NULL.

Used in:

PK_ATTDEF_ask_callbacks
PK_ATTDEF_register_callbacks
PK_ATTDEF_register_cb