?? julian.c
字號(hào):
#include <stdio.h>
#include <time.h>
void main(void)
{
time_t seconds;
struct tm time_fields;
time_fields.tm_mday = 31;
time_fields.tm_mon = 10;
time_fields.tm_year = 97;
if (mktime(&time_fields) == -1)
printf("Error converting fields\n");
else
printf("Julian date for October 31, 1997 is %d\n", time_fields.tm_yday);
}
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