CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, ical_freebusy_backend, (void *)fb );
/* If values for DTSTART and DTEND are still not present, set them
* to yesterday and tomorrow as default values.
*/
if (icalcomponent_get_first_property(fb, ICAL_DTSTART_PROPERTY) == NULL) {
CtdlForEachMessage(MSGS_ALL, 0, NULL, NULL, NULL, ical_freebusy_backend, (void *)fb );
/* If values for DTSTART and DTEND are still not present, set them
* to yesterday and tomorrow as default values.
*/
if (icalcomponent_get_first_property(fb, ICAL_DTSTART_PROPERTY) == NULL) {