mtimespec_sample.c

#include <stdio.h>
#include <sys/stat.h>

int main(int argc, char *argv[])
{
  struct stat st;
  if (stat(argv[0], &st) < 0) {
    perror("stat()");
    return 1;
  }
  printf("%ld %ld\n", st.st_mtimespec.tv_sec, st.st_mtimespec.tv_nsec);
  return 0;
}