1306a501fSWolfgang Helbig /*- 2306a501fSWolfgang Helbig * Copyright (c) 1997 Wolfgang Helbig 3306a501fSWolfgang Helbig * All rights reserved. 4306a501fSWolfgang Helbig * 5306a501fSWolfgang Helbig * Redistribution and use in source and binary forms, with or without 6306a501fSWolfgang Helbig * modification, are permitted provided that the following conditions 7306a501fSWolfgang Helbig * are met: 8306a501fSWolfgang Helbig * 1. Redistributions of source code must retain the above copyright 9306a501fSWolfgang Helbig * notice, this list of conditions and the following disclaimer. 10306a501fSWolfgang Helbig * 2. Redistributions in binary form must reproduce the above copyright 11306a501fSWolfgang Helbig * notice, this list of conditions and the following disclaimer in the 12306a501fSWolfgang Helbig * documentation and/or other materials provided with the distribution. 13306a501fSWolfgang Helbig * 14306a501fSWolfgang Helbig * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15306a501fSWolfgang Helbig * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16306a501fSWolfgang Helbig * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17306a501fSWolfgang Helbig * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18306a501fSWolfgang Helbig * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19306a501fSWolfgang Helbig * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20306a501fSWolfgang Helbig * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21306a501fSWolfgang Helbig * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22306a501fSWolfgang Helbig * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23306a501fSWolfgang Helbig * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24306a501fSWolfgang Helbig * SUCH DAMAGE. 25306a501fSWolfgang Helbig * 26306a501fSWolfgang Helbig * $Id$ 27306a501fSWolfgang Helbig */ 28306a501fSWolfgang Helbig typedef struct date { 29306a501fSWolfgang Helbig int y; /* year */ 30306a501fSWolfgang Helbig int m; /* month */ 31306a501fSWolfgang Helbig int d; /* day */ 32306a501fSWolfgang Helbig } date; 33306a501fSWolfgang Helbig 34306a501fSWolfgang Helbig date *easterg(int _year, date *_dt); 35306a501fSWolfgang Helbig date *easterj(int _year, date *_dt); 36306a501fSWolfgang Helbig date *gdate(int _nd, date *_dt); 37306a501fSWolfgang Helbig date *jdate(int _nd, date *_dt); 38306a501fSWolfgang Helbig int ndaysg(date *_dt); 39306a501fSWolfgang Helbig int ndaysj(date *_dt); 40306a501fSWolfgang Helbig int week(int _nd, int *_year); 41306a501fSWolfgang Helbig int weekday(int _nd); 42