// Returns nonzero if the supplied icalcomponent occurs within the specified time range
int caldav_time_range_filter_matches(icalcomponent *cal_in, char *start_str, char *end_str) {
// Returns nonzero if the supplied icalcomponent occurs within the specified time range
int caldav_time_range_filter_matches(icalcomponent *cal_in, char *start_str, char *end_str) {