exit (result);
return result;
main (int argc, char *argv[]){  int result = 0;  wctype_t bit_alnum = wctype ("alnum");  wctype_t bit_alpha = wctype ("alpha");  wctype_t bit_cntrl = wctype ("cntrl");  wctype_t bit_digit = wctype ("digit");  wctype_t bit_graph = wctype ("graph");  wctype_t bit_lower = wctype ("lower");  wctype_t bit_print = wctype ("print");  wctype_t bit_punct = wctype ("punct");  wctype_t bit_space = wctype ("space");  wctype_t bit_upper = wctype ("upper");  wctype_t bit_xdigit = wctype ("xdigit");  int ch;  if (wctype ("does not exist") != 0)    {      puts ("wctype return value != 0 for non existing property");      result = 1;    }  for (ch = 0; ch < 256; ++ch)    {#define TEST(test) \      do								      \	{								      \	  if ((is##test (ch) == 0) != (iswctype (ch, bit_##test) == 0))	      \	    {								      \	      printf ("`iswctype' class `%s' test "			      \		      "for character \\%o failed\n", #test, ch);	      \	      result = 1;						      \	    }								      \	  if ((is##test (ch) == 0) != (isw##test (ch) == 0))		      \	    {								      \	      printf ("`isw%s' test for character \\%o failed\n",	      \		      #test, ch);					      \	      result = 1;						      \	    }								      \	 }								      \      while (0)      TEST (alnum);      TEST (alpha);      TEST (cntrl);      TEST (digit);      TEST (graph);      TEST (lower);      TEST (print);      TEST (punct);      TEST (space);      TEST (upper);      TEST (xdigit);    }  if (result == 0)    puts ("All test successful!");  exit (result);}