20 lines
		
	
	
		
			461 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			461 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef CALDATE_H
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| #define CALDATE_H
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| 
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| struct caldate {
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|   long year;
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|   int month;
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|   int day;
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| } ;
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| 
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| extern unsigned int caldate_fmt(char *s, struct caldate *cd);
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| extern unsigned int caldate_scan(char *s, struct caldate *cd);
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| 
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| extern void caldate_frommjd(struct caldate *cd, int64_t day, int *pwday, int *pyday);
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| extern long caldate_mjd(struct caldate *cd);
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| extern void caldate_normalize(struct caldate *cd);
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| 
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| extern void caldate_easter(struct caldate *cd);
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| 
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| #endif
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