#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
#include "restart.h"
#define CREATE_FLAGS (O_WRONLY | O_CREAT | O_APPEND)
#define CREATE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)

int main(void) {
   int fd;

   fd = open("my.file", CREATE_FLAGS, CREATE_MODE);
   if (fd == -1) {
       perror("Failed to open my.file");
       return 1;
   }
   if (dup2(fd, STDOUT_FILENO) == -1) {
      perror("Failed to redirect standard output");
      return 1;
   }
   if (r_close(fd) == -1) {
      perror("Failed to close the file");
      return 1;
   } 
   if (write(STDOUT_FILENO, "OK", 2) == -1) {
      perror("Failed in writing to file");
      return 1;
   }
   return 0;
}