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 8 int 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
