1 #include <unistd.h> 2 #include <sys/types.h> 3 #include <sys/time.h> 4 #include <time.h> 5 main()6 int main () 7 { 8 9 struct timespec ts; 10 (void)clock_gettime(CLOCK_MONOTONIC, &ts); 11 12 return 0; 13 } 14