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uptime.c (296B)

      1 #include <sys/sysinfo.h>
      2 #include <stdio.h>
      3 #include <time.h>
      4 
      5 int main() {
      6 	struct sysinfo info;
      7 
      8 	if (sysinfo(&info) != 0) {
      9 		printf("Error");
     10 		return 1;
     11 	}
     12 
     13 	int hours = info.uptime/3600;
     14 	int minutes = (info.uptime - hours * 3600)/60;
     15 
     16 	printf("%02d:%02d\n", hours, minutes);
     17 
     18 	return 1;
     19 }