C > Miscellaneous

Time c code 2

Time c code 2

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h> /* sleep() */
#include <time.h>

int main(void) {
 time_t start, end;

 start = time(NULL);
 if(start == (time_t)-1) {
  fprintf(stderr, "Error: `time()'\n");
  return 1;
 }

 printf("sleepingggzzzzzzz....5sec's\n");
 sleep(5);

 end = time(NULL);
 printf("according to difftime(), slept for %.2f sec's\n", difftime(end, start));

 return 0;
}