#include <stdio.h>
#include <time.h>
int main() {
time_t seconds_begin, seconds_end;
struct tm breakdown;
breakdown.tm_year = 2004 - 1900;
breakdown.tm_mon = 0; /* january */
breakdown.tm_mday = 14;
breakdown.tm_hour = 23;
breakdown.tm_min = 18;
seconds_begin
= mktime( & breakdown
);
breakdown.tm_year = 2016 - 1900;
seconds_end
= mktime( & breakdown
);
printf( "%.2f minutes", (seconds_end
- seconds_begin
) / 60.
); }
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