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

/* 
static char *str1 = "OP1\n";
static char *str2 = "AB2\n";
*/

char buf[1000];
int main()
{
  // int f1;
  close(STDIN_FILENO);  
  // f1 = open ("myjunk", O_RDWR | O_CREAT | O_TRUNC, 0777);
  open ("myjunk", O_RDWR, 0777);
  scanf("%s", buf);
  printf("after scanf buf = %s\n", buf);
  return 0;
}