1// Uses various wchar_t * functions that have hand written SSE assembly
2// implementations in glibc. wcslen, wcscpy, wcscmp, wcsrchr, wcschr.
3
4#include <stdio.h>
5#include <stdlib.h>
6#include <wchar.h>
7
8int main(int argc, char **argv)
9{
10  wchar_t a[] = L"The spazzy orange tiger jumped over the tawny jaguar.";
11  wchar_t *b, *c;
12  wchar_t *d, *e;
13
14  size_t l = wcslen (a);
15  fprintf (stderr, "wcslen: %zd\n", l); // wcslen: 53
16
17  b = (wchar_t *) malloc((l + 1) * sizeof (wchar_t));
18  c = wcscpy (b, a);
19
20  fprintf (stderr, "wcscmp equal: %d\n", wcscmp (a, b)); // wcscmp equal: 0
21
22  d = wcsrchr (a, L'd');
23  e = wcschr (a, L'd');
24
25  fprintf (stderr, "wcsrchr == wcschr: %d\n", d == e); // wcsrchr == wcschr: 1
26
27  free (c); // b == c
28  return 0;
29}
30