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/*-
* Copyright (c) 1989, 1993, 1994
* The Regents of the University of California. 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.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/uio.h>
#define SECSPERDAY (24 * 60 * 60)
#define SECSPERHOUR (60 * 60)
#define SECSPERMINUTE (60)
#define MINSPERHOUR (60)
#define HOURSPERDAY (24)
#define FSECSPERDAY (24.0 * 60.0 * 60.0)
#define FSECSPERHOUR (60.0 * 60.0)
#define FSECSPERMINUTE (60.0)
#define FMINSPERHOUR (60.0)
#define FHOURSPERDAY (24.0)
#define DAYSPERYEAR 365
#define DAYSPERLEAPYEAR 366
/* Not yet categorized */
extern struct passwd *pw;
extern int doall;
extern time_t t1, t2;
extern const char *calendarFile;
extern int yrdays;
extern struct fixs neaster, npaskha, ncny, nfullmoon, nnewmoon;
extern struct fixs nmarequinox, nsepequinox, njunsolstice, ndecsolstice;
extern double UTCOffset;
extern int EastLongitude;
#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
/* Flags to determine the returned values by determinestyle() in parsedata.c */
#define F_NONE 0x00000
#define F_MONTH 0x00001
#define F_DAYOFWEEK 0x00002
#define F_DAYOFMONTH 0x00004
#define F_MODIFIERINDEX 0x00008
#define F_MODIFIEROFFSET 0x00010
#define F_SPECIALDAY 0x00020
#define F_ALLMONTH 0x00040
#define F_ALLDAY 0x00080
#define F_VARIABLE 0x00100
#define F_EASTER 0x00200
#define F_CNY 0x00400
#define F_PASKHA 0x00800
#define F_NEWMOON 0x01000
#define F_FULLMOON 0x02000
#define F_MAREQUINOX 0x04000
#define F_SEPEQUINOX 0x08000
#define F_JUNSOLSTICE 0x10000
#define F_DECSOLSTICE 0x20000
#define F_YEAR 0x40000
#define STRING_EASTER "Easter"
#define STRING_PASKHA "Paskha"
#define STRING_CNY "ChineseNewYear"
#define STRING_NEWMOON "NewMoon"
#define STRING_FULLMOON "FullMoon"
#define STRING_MAREQUINOX "MarEquinox"
#define STRING_SEPEQUINOX "SepEquinox"
#define STRING_JUNSOLSTICE "JunSolstice"
#define STRING_DECSOLSTICE "DecSolstice"
#define MAXCOUNT 125 /* Random number of maximum number of
* repeats of an event. Should be 52
* (number of weeks per year), if you
* want to show two years then it
* should be 104. If you are seeing
* more than this you are using this
* program wrong.
*/
/*
* All the astronomical calculations are carried out for the meridian 120
* degrees east of Greenwich.
*/
#define UTCOFFSET_CNY 8.0
extern int debug; /* show parsing of the input */
extern int year1, year2;
/* events.c */
/*
* Event sorting related functions:
* - Use event_add() to create a new event
* - Use event_continue() to add more text to the last added event
* - Use event_print_all() to display them in time chronological order
*/
struct event *event_add(int, int, int, char *, int, char *, char *);
void event_continue(struct event *events, char *txt);
void event_print_all(FILE *fp);
struct event {
int year;
int month;
int day;
int var;
char *date;
char *text;
char *extra;
struct event *next;
};
/* locale.c */
struct fixs {
char *name;
size_t len;
};
extern const char *days[];
extern const char *fdays[];
extern const char *fmonths[];
extern const char *months[];
extern const char *sequences[];
extern struct fixs fndays[8]; /* full national days names */
extern struct fixs fnmonths[13]; /* full national months names */
extern struct fixs ndays[8]; /* short national days names */
extern struct fixs nmonths[13]; /* short national month names */
extern struct fixs nsequences[10];
void setnnames(void);
void setnsequences(char *);
/* day.c */
extern const struct tm tm0;
extern char dayname[];
void settimes(time_t,int before, int after, int friday, struct tm *tp1, struct tm *tp2);
time_t Mktime(char *);
/* parsedata.c */
int parsedaymonth(char *, int *, int *, int *, int *, char **);
void dodebug(char *type);
/* io.c */
void cal(void);
void closecal(FILE *);
FILE *opencal(void);
/* ostern.c / paskha.c */
int paskha(int);
int easter(int);
int j2g(int);
/* dates.c */
extern int cumdaytab[][14];
extern int mondaytab[][14];
extern int debug_remember;
void generatedates(struct tm *tp1, struct tm *tp2);
void dumpdates(void);
int remember_ymd(int y, int m, int d);
int remember_yd(int y, int d, int *rm, int *rd);
int first_dayofweek_of_year(int y);
int first_dayofweek_of_month(int y, int m);
int walkthrough_dates(struct event **e);
void addtodate(struct event *e, int year, int month, int day);
/* pom.c */
#define MAXMOONS 18
void pom(int year, double UTCoffset, int *fms, int *nms);
void fpom(int year, double utcoffset, double *ffms, double *fnms);
/* sunpos.c */
void equinoxsolstice(int year, double UTCoffset, int *equinoxdays, int *solsticedays);
void fequinoxsolstice(int year, double UTCoffset, double *equinoxdays, double *solsticedays);
int calculatesunlongitude30(int year, int degreeGMToffset, int *ichinesemonths);
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