printf ("fgetwc failed: got L'%lc', expected L'%lc'\n", wc, *cp);
printf ("fgetwc failed: got L'%lc', expected L'%lc'\n", wc, (wint_t) *cp);
do_test (void){  if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)    {      puts ("setlocale failed");      return 1;    }  FILE *fp = tmpfile ();  if (fp == NULL)    {      puts ("tmpfile failed");      return 1;    }  if (fputws (L"hello", fp) == EOF)    {      puts ("fputws failed");      return 1;    }  rewind (fp);  const wchar_t *cp;  unsigned int cnt;  for (cp = L"hello", cnt = 1; *cp != L'\0'; ++cp, ++cnt)    {      wint_t wc = fgetwc (fp);      if (wc != (wint_t) *cp)	{	  printf ("fgetwc failed: got L'%lc', expected L'%lc'\n", wc, *cp);	  return 1;	}      off_t o = ftello (fp);      if (o != cnt)	{	  printf ("ftello failed: got %lu, expected %u\n",		  (unsigned long int) o, cnt);	  return 1;	}      printf ("round %u OK\n", cnt);    }  fclose (fp);  return 0;}