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author | helbig <helbig@FreeBSD.org> | 1997-12-04 10:41:49 +0000 |
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committer | helbig <helbig@FreeBSD.org> | 1997-12-04 10:41:49 +0000 |
commit | 2508061a28483b104216294b90314f143f23b991 (patch) | |
tree | 6a8de30a368a8c8595c2742df05f01f27df91517 /lib/libcalendar/calendar.h | |
download | FreeBSD-src-2508061a28483b104216294b90314f143f23b991.zip FreeBSD-src-2508061a28483b104216294b90314f143f23b991.tar.gz |
Provides date of easter and other calendar related arithmetic.
Diffstat (limited to 'lib/libcalendar/calendar.h')
-rw-r--r-- | lib/libcalendar/calendar.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/libcalendar/calendar.h b/lib/libcalendar/calendar.h new file mode 100644 index 0000000..6c8d8f9 --- /dev/null +++ b/lib/libcalendar/calendar.h @@ -0,0 +1,41 @@ +/*- + * Copyright (c) 1997 Wolfgang Helbig + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id$ + */ +typedef struct date { + int y; /* year */ + int m; /* month */ + int d; /* day */ +} date; + +date *easterg(int _year, date *_dt); +date *easterj(int _year, date *_dt); +date *gdate(int _nd, date *_dt); +date *jdate(int _nd, date *_dt); +int ndaysg(date *_dt); +int ndaysj(date *_dt); +int week(int _nd, int *_year); +int weekday(int _nd); |