digital clock code
// C implementation of digital clock
#include <stdio.h>
#include <time.h>
// driver code
int main()
{
time_t s, val = 1;
struct tm* current_time;
// time in seconds
s = time(NULL);
// to get current time
current_time = localtime(&s);
// print time in minutes,
// hours and seconds
printf("%02d:%02d:%02d",
current_time->tm_hour,
current_time->tm_min,
current_time->tm_sec);
return 0;
}