digital clock

#include <stdio.h> #include <time.h>   int main() {     time_t s, val = 1;     struct tm* current_time;        s = time(NULL);        current_time = localtime(&s);       printf(“%02d:%02d:%02d”,            current_time->tm_hour,            current_time->tm_min,            current_time->tm_sec);       return 0; }