Solution for Exercise 21-7

ex2107

#include <stdio.h>
#include <time.h>

int main()
{
    time_t tictoc;
    struct tm *today;

    time(&tictoc);
    today = localtime(&tictoc);
    printf("It's now %d:%02d:%02d\n",
            today->tm_hour,
            today->tm_min,
            today->tm_sec);
    return(0);
}

Output

It's now 16:53:26

Notes

* Output is in 24-hour format. The time above is 4:53:26 PM.

* The placeholder %02d specifies decimal integer output, two-digits wide, with a leading zero if needed.

Exercise ex2108 →