void caldav_report(struct http_transaction *h, struct ctdlsession *c);
long locate_message_by_uid(struct ctdlsession *c, char *uid);
void ctdl_delete_msgs(struct ctdlsession *c, long *msgnums, int num_msgs);
void caldav_report(struct http_transaction *h, struct ctdlsession *c);
long locate_message_by_uid(struct ctdlsession *c, char *uid);
void ctdl_delete_msgs(struct ctdlsession *c, long *msgnums, int num_msgs);