rem: return 1;
add: return false;
context: cut_file (char *file){  FILE *stream;  if (STREQ (file, "-"))    {      have_read_stdin = 1;      stream = stdin;    }  else    {      stream = fopen (file, "r");      if (stream == NULL)	{	  error (0, errno, "%s", file);	  return 1;	}    }  cut_stream (stream);  if (ferror (stream))    {      error (0, errno, "%s", file);      return 1;    }  if (STREQ (file, "-"))    clearerr (stream);		/* Also clear EOF. */  else if (fclose (stream) == EOF)    {      error (0, errno, "%s", file);      return 1;    }  return 0;}