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30 lines
583 B
C
30 lines
583 B
C
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#include <stdio.h>
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#include <time.h>
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struct tm time_str;
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char daybuf[20];
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int main(void)
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{
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printf("Testing mktime() by asking\n");
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printf("What day of the week is July 4, 2001?\n");
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time_str.tm_year = 2001 - 1900;
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time_str.tm_mon = 7 - 1;
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time_str.tm_mday = 4;
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time_str.tm_hour = 0;
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time_str.tm_min = 0;
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time_str.tm_sec = 1;
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time_str.tm_isdst = -1;
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if (mktime(&time_str) == -1)
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(void)puts("-unknown-");
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else {
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(void)strftime(daybuf, sizeof(daybuf), "%A", &time_str);
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(void)puts(daybuf);
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}
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return 0;
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}
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