// ical_ctdl_is_overlap.c
int ical_ctdl_is_overlap(struct icaltimetype, struct icaltimetype, struct icaltimetype, struct icaltimetype);
-// ical_dezonify.c
-icaltimezone *get_default_icaltimezone(void);
-void ical_dezonify_backend(icalcomponent *, icalcomponent *, icalproperty *);
-void ical_dezonify_recurse(icalcomponent *, icalcomponent *);
-void ical_dezonify(icalcomponent *);
-
// main.c
int main(int, char **);