Constructs a new #ECalClientTzlookupICalCompData, which can be used as a lookup_data argument of e_cal_client_tzlookup_icalcomp_cb(). Free it with e_cal_client_tzlookup_icalcomp_data_free(), when no longer needed.
Copies given #ECalClientTzlookupICalCompData structure.
When the lookup_data is %NULL, simply returns %NULL as well.
Frees previously allocated #ECalClientTzlookupICalCompData structure
with e_cal_client_tzlookup_icalcomp_data_new() or e_cal_client_tzlookup_icalcomp_data_copy().
The function does nothing when lookup_data is %NULL.
Constructs a new #ECalClientTzlookupICalCompData, which can be used as a lookup_data argument of e_cal_client_tzlookup_icalcomp_cb(). Free it with e_cal_client_tzlookup_icalcomp_data_free(), when no longer needed.
Contains data used as lookup_data of e_cal_client_tzlookup_icalcomp_cb().