#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>

int main() {
  int i,j,k;

  printf("111\n");
  i= open("qqq2.txt", O_WRONLY);
  printf("open, i=%d\n", i);
  if (i==-1) return 1;
  sleep(3);
  
  printf("222\n");
  j=write(i,"A",1);
  printf("write, j=%d\n", j);
  sleep(3);
  
  printf("333\n");
  close(i);
  printf("close\n", j);
  sleep(3);
  printf("koniec...\n");

  return 0;
}